SRAM Rival AXS Rear Derailleur RD-RIV-E-E1 Shimano 105 12 Speed raising the limit of what

raising the limit of what a XC tire can do

strength and weight

Shimano Claris Dual Control

Through testing and experience

It’s new design features a tough

SRAM Rival AXS Rear Derailleur RD-RIV-E-E1 Shimano 105 12 Speed raising the limit of whatChain 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