SRAM Disc Brake Lever Internals Version 2 - Guide R | Guide RE | DB 5 | Code R Pump Parts & Accessories A low-profile tread design uses

A low-profile tread design uses diamond knurling to reduce rolling resistance while maintaining grip on dusty or loose conditions

and EW-SD300 wiring

it is a purpose-built fluid that actually performs at the standards cycling demands

When Should You Use Muc-Off Bio Dry Chain Lube

and the coating needs to dry fully before riding

SRAM Disc Brake Lever Internals Version 2 - Guide R | Guide RE | DB 5 | Code R Pump Parts & Accessories A low-profile tread design usesWhat does the SRAM Disc Brake Lever Internals Version 2 service? The SRAM Disc Brake Lever Internals Version 2 kit contains the internal components needed to rebuild or repair SRAM Guide R, Guide RE, DB 5, and Code R brake levers. Over time, lever internals can wear or develop fluid contamination issues that result in a soft or inconsistent lever feel. Replacing the internals restores proper lever function without requiring a full brake replacement.