SRAM Rival 1 Type 2.1 Rear Derailleur
Designed to control chain movement, the SRAM Rival 1 Type 2.1 Rear Derailleur shifts smoothly, quickly and crisply. Chain tension is carefully managed with the X-Horizon technology which keeps the chain movement horizontal and thus eliminating ghost shifting and reducing shifting force. Wheel changes are a snap with Cage Lock. Simply push the derailleur forward to create slack in the chain and then lock it into place. The Rival 1 works with the single front ring drivetrains. Features: 10 or 11-speed 1x road systems Medium 11-26 through 11-36, and Long 10-42 269g - medium cage