SRAM Rival 1 Rear Derailleur - 11 Speed Medium Cage Black/Silver MFPN=3704900 Trainer Caps allow thru-axle bikes

Trainer Caps allow thru-axle bikes to be used with most wind

Primary Color Black Color Black/Dark Grey Shoe size 42 Closure Single SLW3 Dial + Velcro Strap Cleat Type SPD Gender Men

Color Bolt Size M Primary Color Black Core No Gender Unisex

Carbon is a great material

and higherdurability

SRAM Rival 1 Rear Derailleur - 11 Speed Medium Cage Black/Silver MFPN=3704900 Trainer Caps allow thru-axle bikesSRAM Rival 1 Rear Derailleur 11 Speed Medium Cage Black Silver. The 1x specific X Horizon derailleur design provides excellent chain control and shifts well regardless of cassette size. Roller bearing clutch and parallelogram design combine to minimize chain bounce making the drive train safer and quieter over rough terrain Not compatible with multiple chainring drive trains TECH SPECS Cage Length Medium Chain Wrap Capacity (teeth) 32 Color Black