SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets Endorsed and approved by BOB

Endorsed and approved by BOB Gear

Thin wall construction allows use without removal of cones and locknuts

Downhill and twin crown fork compatible

Includes Ti Bolts

SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets Endorsed and approved by BOBSRAM X1 Rear Derailleur 11 Speed Medium Cage Black. The X1 group has all the important features of the high priced spread with a modest increase in weight. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies