These disc brake pads fit a variety of SRAM and Avid brakes and offer industry leading brake compounds for consistent, confident performance. Jagwire Pro E-Bike pads feature a friction compound developed specifically for the unique needs of pedal-assist E-bikes Tuned to provide more stopping power and durability than typical pads, with consistent modulation and little braking noise Steel backing plate Compatible with SRAM Code RSC (A1), Code R (B1), Code (2011-2016), Guide RE Specifications Backing Plate MaterialSteelCompoundSemi-MetallicDesigned for ebikeYesPad Shape Number36