SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets }Robert Axle Project Resistance Trainer

}Robert Axle Project Resistance Trainer 12mm Thru Axle Length: 160 167 or 172mm Thread: 1

Includes Ti Bolts

}RockShox 31mm Flat Wrench for Vivid Air Reservoir

Compatible with SRAM road levers

Thin wall construction allows use without removal of cones and locknuts

SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk Description-54 Step Star Ratchets }Robert Axle Project Resistance TrainerSRAM 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