SRAM Rival AXS Rear Derailleur RD-RIV-E-E1 Shimano 105 12 Speed Sole made of carbon fiber

Sole made of carbon fiber

It’s new design features a tough

Shimano Claris Dual Control

Through testing and experience

SRAM Rival AXS Rear Derailleur RD-RIV-E-E1 Shimano 105 12 Speed Sole made of carbon fiberChain management technology keeps the drivetrain quiet and secure AXS enabled for easy setup, personalization, and reliability Compatible with both 1x and 2x drivetrains Compatible with cassettes from 10 28T to 10 36T Speed (RD) 12 Max tooth 36 Color (RD) Black Grey Pulley bearings material Steel Cage material (RD) Aluminum Drivetrain Configuration 2x RD Minimum (Cassette) 28 Communication Protocol AXS Shift Technology Wireless Chain Technology Road