SRAM Rear Derailleur XX1 Type 2.1 11 speed ZEFAL Superior chain management with MTB-inspired

Superior chain management with MTB-inspired spring clutch

This specialized holder effectively prevents the bag from interfering with your bike’s spokes

The SteadyRider is a simple pedal

Whether racing a cobblestone course with 30mm tires or riding on smooth

This version is for BOOST 148 specific bikes and FAT BIKES (when reversed)

SRAM Rear Derailleur XX1 Type 2.1 11 speed ZEFAL Superior chain management with MTB-inspiredSRAM Rear Derailleur XX1 Type 2. 1 11 speedWith its "horizontal parallelogram" design and pulley offset, X HORIZON keeps the chain gap constant across all 11 gears, providing fast, precise shifts. By limiting all movement to the horizontal axis, this design is faster, reduces shift force and eliminates ghost shifting. ROLLER BEARING CLUTCH technology reduces bounce and chain slap. CAGE LOCK technology makes wheel removal and installation easier than