SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets Thin wall construction allows use

Thin wall construction allows use without removal of cones and locknuts

Direct Mount Type Direct Mount FSA Tooth Count 34 Drivetrain Speeds 11 Defined Color Black Material Aluminum Ring Position/Type Outer Round or Oval Round

Use of a clutch-style rear derailleur is recommended

Endorsed and approved by BOB Gear

Includes Ti Bolts

SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets Thin wall construction allows useSRAM 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