Amazon.com : SRAM Disc Brake Lever Internals - Version 2, for Guide R, Guide RE, DB 5, and Code R : Sports & Outdoors
SRAM G2 R Disc Brake Lever Blade Kit - Aluminum, Gloss Black – 365 Cycles
Amazon.com: Brake Lever Internals Service Kit, Rebuild Part Piston Assembly for Sram GUIDE LEVEL CODE DB5,Never Expand, Never Stuck or Oil Leakage : Sports & Outdoors
Universal Cycles -- Sram Replacement Brake Lever Blades