Extent of limited warranty



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GEN.0000000005254 Rev B

© 2017 SRAM, LLC 

eTap® HRD™

Caliper/Hose Replacement  

Electronic Subassembly Replacement

s e r v i c e

m a n u a l



SRAM® LLC WARRANTY

EXTENT OF LIMITED WARRANTY

Except as otherwise set forth herein, SRAM warrants its products to be free from defects in materials or workmanship for a period of two years after 

original purchase.

 

 This warranty only applies to the original owner and is not transferable. Claims under this warranty must be made through the 



retailer where the bicycle or the SRAM component was purchased. Original proof of purchase is required. Except as described herein, SRAM makes 

no other warranties, guaranties, or representations of any type (express or implied), and all warranties (including any implied warranties of 

reasonable care, merchantibility, or fitness for a particular purpose) are hereby disclaimed.

LOCAL LAW

This warranty statement gives the customer specific legal rights. The customer may also have other rights which vary from state to state (USA), from 

province to province (Canada), and from country to country elsewhere in the world.

To the extent that this warranty statement is inconsistent with the local law, this warranty shall be deemed modified to be consistent with such law, 

under such local law, certain disclaimers and limitations of this warranty statement may apply to the customer. For example, some states in the United 

States of America, as well as some governments outside of the United States (including provinces in Canada) may:

a. Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer  

(e.g. United Kingdom).

b. Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations.



For Australian customers:

This SRAM limited warranty is provided in Australia by SRAM LLC, 1000 W. Fulton Market, 4th Floor, Chicago, IL, 60607, USA. To make a warranty claim 

please contact the retailer from whom you purchased this SRAM product.  Alternatively, you may make a claim by contacting SRAM Australia, 6 Marco 

Court, Rowville 3178, Australia. For valid claims SRAM will, at its option, either repair or replace your SRAM product.  Any expenses incurred in making 

the warranty claim are your responsibility.  The benefits given by this warranty are additional to other rights and remedies that you may have under 

laws relating to our products.  Our goods come with guarantees that cannot be excluded under the Australian Consumer Law.  You are entitled to a 

replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage.  You are also entitled to have 

the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

LIMITATIONS OF LIABILITY

To the extent allowed by local law, except for the obligations specifically set forth in this warranty statement, in no event shall SRAM or its third party 

suppliers be liable for direct, indirect, special, incidental, or consequential damages. 

LIMITATIONS OF WARRANTY

This warranty does not apply to products that have been incorrectly installed and/or adjusted according to the respective SRAM user manual. The 

SRAM user manuals can be found online at sram.com, rockshox.com, avidbike.com, truvativ.com, or zipp.com.

This warranty does not apply to damage to the product caused by a crash, impact, abuse of the product, non-compliance with manufacturers 

specifications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design.

This warranty does not apply when the product has been modified, including, but not limited to any attempt to open or repair any electronic and 

electronic related components, including the motor, controller, battery packs, wiring harnesses, switches, and chargers.

This warranty does not apply when the serial number or production code has been deliberately altered, defaced or removed.

This warranty does not apply to normal wear and tear. Wear and tear parts are subject to damage as a result of normal use, failure to service 

according to SRAM recommendations and/or riding or installation in conditions or applications other than recommended.

Wear and tear parts are identified as:

Dust seals

Bushings

Air sealing o-rings

Glide rings

Rubber moving parts

Foam rings

Rear shock mounting hardware and 

main seals

Upper tubes (stanchions)

Stripped threads/bolts (aluminium, 

titanium, magnesium or steel)

Brake sleeves

Brake pads

Chains

Sprockets



Cassettes

Shifter and brake cables (inner and 

outer)

Handlebar grips



Shifter grips

Jockey wheels

Disc brake rotors

Wheel braking surfaces

Bottomout pads

Bearings


Bearing races

Pawls


Transmission gears

Spokes


Free hubs

Aero bar pads

Corrosion

Tools


Motors

Batteries



Notwithstanding anything else set forth herein, the battery pack and charger warranty does not include damage from power surges, use of improper 

charger, improper maintenance, or such other misuse.

This warranty shall not cover damages caused by the use of parts of different manufacturers.

This warranty shall not cover damages caused by the use of parts that are not compatible, suitable and/or authorised by SRAM for use with SRAM 

components.

This warranty shall not cover damages resulting from commercial (rental) use.




SAFETY FIRST!

We care about YOU. Please, always wear your safety glasses 

and protective gloves when servicing SRAM® products. 

Protect yourself! Wear your safety gear!




TABLE OF CONTENTS

SRAM® ETAP® HRD™ BRAKE SYSTEMS ...........................................................................................................................................................5

TROUBLESHOOTING ..........................................................................................................................................................................................6

DISC BRAKE PAD ADVANCEMENT PROCEDURE .................................................................................................................................................................................6



SRAM® ETAP® HRD™ CALIPER SERVICE ..........................................................................................................................................................8

PARTS, TOOLS AND SUPPLIES ...................................................................................................................................................................................................................8

ETAP HRD CALIPER EXPLODED VIEW ......................................................................................................................................................................................................8

CALIPER BRAKE PAD REMOVAL .................................................................................................................................................................................................................9

CALIPER PISTON REMOVAL .......................................................................................................................................................................................................................10

CALIPER PISTON INSTALLATION ............................................................................................................................................................................................................. 14



SRAM® ETAP® HRD™ HOSE REPLACEMENT .................................................................................................................................................16

PARTS, TOOLS AND SUPPLIES .................................................................................................................................................................................................................16

HOSE REMOVAL .............................................................................................................................................................................................................................................16

HOSE INSTALLATION ................................................................................................................................................................................................................................... 19



ELECTRONIC SUBASSEMBLY REPLACEMENT ........................................................................................................................................... 22

PARTS, TOOLS AND SUPPLIES ................................................................................................................................................................................................................ 22

ELECTRONIC SUBASSEMBLY EXPLODED VIEW ................................................................................................................................................................................ 22

ELECTRONIC SUBASSEMBLY REMOVAL .............................................................................................................................................................................................. 23

ELECTRONIC SUB-ASSEMBLY INSTALLATION ................................................................................................................................................................................... 26



5

SRAM® eTap® HRD™ Brake Systems

S R A M ®   e T a p ®   H R D ™   B r a k e   S y s t e m s

We recommend that you have your SRAM eTap HRD components serviced by a qualified bicycle mechanic. Servicing SRAM components requires 

knowledge of bicycle mechanics as well as the special tools and lubricants/fluids used for service.

SRAM brake systems need to be serviced periodically to optimize braking function. If brake fluid is leaking from any area of the brake there may be 

damage or wear and tear to the internal moving parts. If the system has been contaminated with the wrong fluid there may be damage to all rubber 

and plastic internal parts. If your brake was damaged in a crash, there may be damage to the lever blade, pushrod, and housing assemblies. Inspect 

and replace these parts to restore proper brake function. 

Visit 


www.sram.com/service

 for the latest SRAM Spare Parts catalog and technical information. For order information, please contact your local SRAM® 

distributor or dealer. 

          For recycling and environmental compliance information, please visit 

www.sram.com

.

Information contained in this publication is subject to change at any time without prior notice. Your product's appearance may differ from the pictures 



contained in this publication.

SAFETY INSTRUCTIONS

Do not use mineral oil or DOT 5 fluid. If the brake system has been contaminated with mineral oil or DOT 5 fluid, the braking system (e.g. the 

brake-shift lever, caliper, and hose) will need to be replaced.

For best results, use only SRAM High-Performance DOT 5.1 brake fluid. If SRAM brake fluid is not available, only use DOT 5.1 or 4 brake fluid.

Use only DOT compatible grease.

Always wear safety glasses and nitrile gloves when working with DOT fluid.

Used DOT fluid should be recycled or disposed of in accordance to local and federal regulations.

Never pour DOT fluid down a sewage or drainage system or into the ground or a body of water.

Do not allow any brake fluid to come in contact with the brake pads. If this occurs, the pads are contaminated and must be replaced.

Place an oil pan on the floor underneath the area where you will be working on the brake.

Servicing your brakes removes all of the brake fluid from the system. You must bleed your brakes after you service the brake caliper. Consult the eTap 

HRD Hose Shortening and Bleed Manual at 

www.sram.com/service

.

NOTICE

Before beginning service, thoroughly clean the exterior of the product to avoid contamination of internal sealing part surfaces. 

DOT fluids will damage painted surfaces. If any fluid comes in contact with a painted surface (e.g. your frame) or printing on the brakes, wipe it off 

immediately and clean it with isopropyl alcohol or water. Damage to painted and/or printed surfaces by DOT fluid is not covered under warranty.

When using a crowfoot socket and torque wrench, install the crowfoot socket at 90 degrees to the torque wrench.



6

Troubleshooting

T r o u b l e s h o o t i n g

D i s c   B r a k e   P a d   A d v a n c e m e n t   P r o c e d u r e

If your brakes have excessive brake lever throw, it may be a result of the pistons sticking in the caliper. Before bleeding the system, you can try to 

loosen the sticky piston by performing the following steps:

Clamp the bicycle into a bicycle work stand and remove the wheel 

according to the wheel manufacturer's instructions.

Squeeze the brake lever several times until the brake pads nearly 

contact one another.

Insert the pad spreader tool between the brake pads to spread the 

pads to the full width of the pad spreader tool. 

Remove the pad spreader.

Bicycle work stand





Pad spreader tool








7

Disc Brake Pad Advancement Procedure

Repeat steps 2-4 several times. 

If one piston is moving and the other piston remains stuck, then 

remove the brake pads and use a plastic tire lever to hold back the 

piston that is moving. Squeeze the brake lever until the stuck piston 

begins to move. Repeat holding back one piston while squeezing the 

brake lever until each piston moves smoothly. One piston may always 

advance more than the other; this is okay. Sometimes an audible ‘pop’ 

can be heard when a stuck piston is freed; this is okay.

Reinstall the brake pads, if removed, and install the wheel according to 

the manufacturer's instructions.

Squeeze the brake lever several times to position the brake pads to 

the proper distance from the rotor.

Center the caliper on the rotor, if necessary.

Spin the wheel and check the brake function. The pistons should move 

freely and there should not be excessive brake lever throw.

If there is no improvement in the brake function, proceed to  

Caliper Service

Tire lever



Tire lever












8

SRAM® eTap® HRD™ Caliper Service

S R A M ®   e T a p ®   H R D ™   C a l i p e r   S e r v i c e

P a r t s ,   T o o l s   a n d   S u p p l i e s



Parts

•  eTap HRD Caliper Piston Service Kit - 21 mm



Safety and Protection Supplies

•  Apron


•  Clean, lint-free rags

•  Nitrile gloves

•  Oil pan

•  Safety glasses



Lubricants and Fluids

•  Isopropyl alcohol

•  SRAM DOT 5.1 Fluid  

If SRAM fluid is not available, only use DOT 5.1 or 4 fluid

•  SRAM DOT assembly grease

SRAM Tools

•  Monoblock caliper 21 mm piston removal tool

•  Piston plug

•  Monoblock bleed block



Bicycle Tools

•  Bicycle work stand



Common Tools

•  Needle nose pliers

•  2.5 mm hex wrench

•  2.5 mm hex bit socket

•  T25 TORX

®

 wrench



•  T25 TORX bit socket

•  Air compressor with rubber-tipped air chuck nozzle

•  Digital caliper

•  Pick


•  Torque wrench

•  Soft rubber or piece of inner tube

e T a p   H R D   C a l i p e r   E x p l o d e d   V i e w

E-clip


Caliper piston

Piston seal

Brake pads

Caliper


Banjo 

Hose


Banjo  

bolt


Pad 

retention 

bolt

Piston seal



Caliper piston


9

Caliper Brake Pad Removal

C a l i p e r   B r a k e   P a d   R e m o v a l

Remove the caliper from the frame, then remove the mounting bracket 

and the hardware from the caliper. Set them aside in the order that they 

were removed.

Remove the E-clip from the pad retention bolt, then remove the pad 

retention bolt from the caliper.

Remove the brake pads from the caliper.

NOTICE

Brake pads must be replaced if the total thickness of the backing plate 

and pad friction material is less than 3 mm.



2.5 mm


Digital caliper

2.7-3.2 N•m (24-28 in-lb)

22 mm



10

Caliper Piston Removal

C a l i p e r   P i s t o n   R e m o v a l

NOTICE

DOT fluid will damage painted surfaces. If any fluid comes in contact with a painted surface (e.g. your frame) or printing on the brakes, wipe it off 

immediately and clean it with isopropyl alcohol or water. Damage to painted and/or printed surfaces by DOT fluid is not covered under warranty.

Remove the banjo bolt and hose.



NOTICE

Fluid will drip. Place an oil pan and/or rag under the hose. 

Insert the piston removal tool, then install the pad retention bolt into the 

caliper.


CAUTION 

The pad retention bolt must be installed. If the pad retention bolt is not 

installed, the piston removal tool may dislodge rapidly from the caliper, 

which can lead to bodily injury or damage to the parts.

Firmly press a rubber-tipped air chuck nozzle into the banjo port. Hold 

the caliper securely against a rubber surface and force air into the 

banjo port to dislodge the piston from the caliper.

CAUTION - EYE HAZARD

Wear safety glasses. The caliper piston may dislodge rapidly from the 

caliper, which can lead to bodily injury or damage to the parts. Point 

the caliper piston toward a rubber surface to prevent the piston from 

becoming a projectile. 



1

T25


Rubber-tipped blow gun chuck nozzle

22 mm


Piston removal tool

2.5 mm


2

Rubber-tipped air chuck nozzle

Rubber-tipped blow gun chuck nozzle

22 mm



11

Caliper Piston Removal

Remove the pad retainer bolt, then remove the piston and the piston 

removal tool from the caliper.

Insert the piston plug so that it fits snugly into the empty piston bore 

and is flush with the inside of the caliper.

Insert the piston removal tool so that it will capture the still-installed 

piston. Make sure the horseshoe opening is aligned with the tab on the 

piston plug.

Install the pad retention bolt to hold the piston removal tool in place.

CAUTION 

The pad retention bolt must be installed. If the pad retention bolt is not 

installed the piston removal tool may dislodge rapidly from the caliper, 

which can lead to bodily injury or damage to the parts.

Piston removal tool

Piston removal tool



2.5 mm


Rubber-tipped blow gun chuck nozzle

22 mm


Piston plug

Rubber-tipped blow gun chuck nozzle

22 mm

Piston removal tool

2.5 mm




12

Caliper Piston Removal

Firmly press a rubber-tipped air chuck nozzle into the banjo port. Hold 

the caliper securely against a rubber surface and force air into the 

banjo port to dislodge the piston from the caliper.

CAUTION - EYE HAZARD

Wear safety glasses. The caliper piston may dislodge rapidly from the 

caliper, which can lead to bodily injury or damage to the parts. Point 

the caliper piston toward a rubber surface to prevent the piston from 

becoming a projectile.

Remove the retention bolt, the piston removal tool, the piston, and the 

piston plug from the caliper.

Remove the piston seals from each piston bore.

CAUTION

Do not scratch the seal gland with the pick. Scratches could cause fluid 

to leak when the brake is applied, which will contaminate the brake 

pads and could lead  to a brake failure.

Rubber-tipped air chuck nozzle

Rubber-tipped blow gun chuck nozzle

22 mm


2.5 mm


Pick


Rubber-tipped blow gun chuck nozzle

22 mm





13

Caliper Piston Removal

Spray isopropyl alcohol inside each piston bore, the inside and the 

outside of the caliper, and all of the removed parts and clean them with 

a rag.

NOTICE

Do not use mineral oil or DOT 5 fluid. If the brake system has been 

contaminated with mineral oil or DOT 5 fluid, the braking system 

(e.g. the brake-shift lever, caliper, and hose) will need to be replaced.

For the best braking performance, use only SRAM® DOT 5.1 fluid. If 

SRAM fluid is not available, use only DOT 5.1 fluid or 4 fluid.

10 



14

Caliper Piston Installation

C a l i p e r   P i s t o n   I n s t a l l a t i o n

NOTICE

DOT fluid will damage painted surfaces. If any fluid comes in contact with a painted surface (e.g. your frame) or printing on the brakes, wipe it off 

immediately and clean it with isopropyl alcohol or water. Damage to painted and/or printed surfaces by DOT fluid is not covered under warranty.

Apply a small amount of SRAM® 5.1 DOT fluid to new piston seals and 

install the piston seals into each piston bore.

Inspect the caliper pistons for damage and replace the pistons if 

necessary. 

Use your gloved finger to apply a small amount of SRAM DOT 5.1 fluid 

to each piston, then install each piston into each piston bore.

NOTICE

For the best braking performance, use only SRAM DOT 5.1 fluid. If SRAM 

fluid is not available, use only DOT 5.1 or 4 fluid. Do not use grease. 

Grease will prevent the pistons from fully retracting into the caliper 

bores which will reduce braking performance. 

Tip: If a piston is difficult to install into a piston bore, lay the caliper on 

a flat surface. Slide a thin wrench through the caliper, then gently and 

evenly press the piston into the bore.



SRAM DOT 5.1 fluid

Rubber-tipped blow gun chuck nozzle

22 mm



15

Caliper Piston Installation

Remove the o-rings from the banjo bolt. 

Install the new o-rings and apply a thin layer of grease.

Tighten the banjo bolt with the banjo boot at the desired angle.

Insert the Monoblock bleed block into the caliper, then install the pad 

retention bolt.

CAUTION

You must bleed your brakes before reinstalling the brake pads. 

Installing the brake pads prior to bleeding the brakes could contaminate 

the brake pads and could lead to a brake failure.

Spray isopropyl alcohol on the caliper and clean it with a rag.

Visually check your work. If any of the o-rings protrude from the banjo fitting or banjo bolt, remove and replace the o-ring, then repeat the  

installation process.

CAUTION

Servicing your brakes removes all of the brake fluid from the system. You must bleed your brakes after you service the brake caliper. Consult the  

eTap® HRD™ Hose Shortening and Bleed Manual at 

www.sram.com/service

.

DOT grease



T25


4.4-5.4 N·m (39-48 in-lb)

22 mm


Monoblock bleed block

20 mm or 15 mm Thru Axle

2.5 mm 


QR




16

SRAM® eTap® HRD™ Hose Replacement

S R A M ®   e T a p ®   H R D ™   H o s e   R e p l a c e m e n t

Perform the hose replacement service if the hose needs to be replaced. For hose shortening instructions, consult the eTap HRD Hose Shortening and 

Bleed Manual at 

www.sram.com/service.

   

P a r t s ,   T o o l s   a n d   S u p p l i e s



Parts

•  Disc Brake Hydraulic Line Kit - SRAM RED eTap HRD



Safety and Protection Supplies

•  Apron


•  Clean, lint-free rags

•  Nitrile gloves

•  Oil pan

•  Safety glasses



Lubricants and Fluids

•  Isopropyl alcohol

•  SRAM DOT assembly grease

SRAM Tools

•  SRAM hydraulic hose cutter tool

•  Monoblock bleed block

Common Tools

•  Needle nose pliers

•  2.5 mm hex wrench

•  2.5 mm hex bit socket

•  T8 and T25 TORX® wrenches

•  T25 TORX bit socket

•  8 mm flare nut wrench

•  8 mm crowfoot wrench

•  10 mm open end wrench

•  Torque wrench

•  Marker

H o s e   R e m o v a l

Remove the wheel from the bicycle according to the manufacturer's 

instructions.

Remove the E-clip from the pad retention bolt, then remove the pad 

retention bolt from the caliper. 



Needle nose pliers



20 mm or 15 mm Thru Axle

2.5 mm


QR


17

Hose Removal

Remove the brake pads from the caliper.

NOTICE

Brake pads must be replaced if the total thickness of the backing plate 

and pad friction material is less than 3 mm.

Install the Monoblock bleed block into the caliper, then install the pad 

retention bolt. 

Digital caliper

2.7-3.2 N•m (24-28 in-lb)

22 mm


Monoblock bleed block

20 mm or 15 mm Thru Axle

2.5 mm


QR




18

Hose Removal

Loosen and remove the compression nut and hose from the  

valve body.

Loosen and remove the banjo bolt and the hose from the caliper.

NOTICE

Fluid will drip. Place an oil pan and/or rag under the caliper.

Remove the hose from the frame, according to your frame 

manufacturer's instructions.

To remove the hose from internally routed frames, first cut the hose 

near the compression fitting and remove the compression nut from the 

hose. 



8 mm Flare Nut  Wrench



10 mm Open End Wrench

T25





19

Hose Installation

H o s e   I n s t a l l a t i o n

Internally routed frames: Insert the hose and route it through the 

frame or fork.



Externally routed frames: Loosely connect the hose to the frame or 

fork.


Apply a thin layer of grease to the banjo bolt o-rings, then install the 

banjo bolt into the banjo.

Install the new banjo onto the caliper.

To shorten the hose, hold the hose up to the shift-brake lever with a 

length that creates a gentle bend in the hose and allows the handlebar 

to freely turn from side to side. 

Mark your cut location, then cut the hose.

NOTICE

You must cut the hose at the lever. Cutting the hose at the caliper 

will remove the crimped banjo from the hose, and it will need to be 

replaced.

DOT grease



T25


4.4-5.4 N·m (39-48 in-lb)



Hydraulic Hose Cutter


20

Hose Installation

Apply grease to the hose barb threads.

Thread the hose barb into the hose until it is flush with the end of the 

hose.

Install the compression nut onto the hose.



NOTICE 

Do not overtighten the hose barb. Overtightening may cause damage 

to the hose liner. 

Thread a new compression fitting over the hose barb, counter-

clockwise, until it is flush or slightly lower than the hose barb. 

The compression fitting is reverse threaded.



NOTICE

You must install a new hose barb and compression fitting before 

reconnecting the brake lever to the hose. 

 

Apply a thin layer of grease to the compression fitting and compression 



nut.

DOT grease



T8



DOT Compatible grease




21

Hose Installation

Install the hose into the lever body while threading the compression 

nut into the valve body by hand. Tighten the compression nut.

CAUTION

Hydraulic hose replacement removes all of the fluid from the system. You must bleed your brakes after you service the brake caliper. Consult the  

eTap® HRD™  Hose Shortening and Bleed Manual at 

www.sram.com/service

.



8 mm



8 N·m (71 in-lb)

10 mm



22

Electronic Subassembly Replacement

E l e c t r o n i c   S u b a s s e m b l y   R e p l a c e m e n t

Perform the Electronic Subassembly replacement if your brake lever, shifter, or battery box has been damaged.

P a r t s ,   T o o l s   a n d   S u p p l i e s

Parts

•  SRAM® RED eTap® Hydraulic Road Brake Lever Assembly - Left or 

Right

Safety and Protection Supplies

•  Apron


•  Nitrile gloves

•  Safety glasses



Common Tools

•  2.5 mm and (2) 3 mm hex wrenches

•  2.5 mm and 3 mm hex bit sockets

•  Flat blade screwdriver

•  Torque wrench

E l e c t r o n i c   S u b a s s e m b l y   E x p l o d e d   V i e w

Pivot Pin 

Bolt


Electronic 

Subassembly

Pivot Pin Nut

Impact 


Spoke Bolt

Impact 


Spoke Nut

Pull Rod



23

Electronic Subassembly Removal

E l e c t r o n i c   S u b a s s e m b l y   R e m o v a l

Fold the hood cover forward and remove the SRAM® eTap® Blips or 

seal plugs from the electronic sub-assembly.

Fold the hood cover backward. 

Use your finger to hold the impact spoke nut in place, and remove the 

impact spoke bolt and nut from the hood.



2.5 mm






24

Electronic Subassembly Removal

Use a 3 mm hex wrench to hold the pivot pin nut in place, then use 

another 3 mm hex wrench to unthread the pivot pin bolt from the hood.

Rotate the reach adjust bolt clockwise to unthread the lever from the 

hood. 


The reach adjust bolt is reverse-threaded. 

3 mm


3 mm

2.5 mm



2.5 mm




25

Electronic Subassembly Removal

Use a flat blade screwdriver to remove the battery box, then slide the 

electronic sub-assembly wire through the slot to remove the electronic 

sub-assembly from the hood.

Electronic Subassembly

Flat blade screwdriver




26

Electronic Sub-assembly Installation

E l e c t r o n i c   S u b - a s s e m b l y   I n s t a l l a t i o n

Remove the seal plugs from the new electronic sub-assembly. 

Slide the wire of a new electronic sub-assembly into the slot in the 

hood, then install the battery box. 




27

Electronic Sub-assembly Installation

Insert the lever into the hood assembly. Insert a 2.5 mm hex wrench 

into the reach adjust bolt hole in the lever and align the wrench with 

the pull rod. Push the lever into the hood assembly, and rotate the bolt 

counter-clockwise to tighen the bolt to hand tight.

The reach adjust pull rod is reverse-threaded. 

NOTICE

Do not pinch the wire between the lever and the hood when installing 

the lever.

Install the pivot pin nut and the pivot pin bolt into the hood. Use a  

3 mm hex wrench to hold the nut in place, then use another 3 mm hex 

bit socket to tighten the bolt.

Visually check that the battery box wire is installed above the pivot pin 

nut and bolt.

2.5 mm

2.5 mm


3 mm



1.2 N·m (11 in-lbs)

3mm



28

Electronic Sub-assembly Installation

Install the impact spoke bolt and impact spoke nut, and tighten.

NOTICE

Do not overtighten the impact spoke bolt. Overtightening can cause 

the lever to seize.

Adjust the reach to your desired setting.

Fold the hood cover up, then install SRAM® eTap® Blips or seal plugs 

into the electronic subassembly. Fold the hood cover down.

Your eTap system must be paired before riding. Consult the Quick Start Guide RED eTap or the eTap Systems User Manual for pairing information  

at 


www.sram.com/service

.

 

2.5 mm


4 N·m (35 in-lbs)

2.5 mm


2.5 mm





This publication includes trademarks and registered trademarks of the following companies: 

TORX® is a registered trademark of Acument Intellectual Properties, LLC




www.sram.com

ASIAN HEADQUARTERS 

SRAM Taiwan 

No. 1598-8 Chung Shan Road 

Shen Kang Hsiang, Taichung City 

Taiwan R.O.C.

WORLD HEADQUARTERS 

SRAM LLC 

1000 W. Fulton Market, 4th Floor 

Chicago, Illinois 60607 

USA

EUROPEAN HEADQUARTERS 



SRAM Europe 

Paasbosweg 14-16 

3862ZS Nijkerk 

The Netherlands



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