SRAM Force 22 Crankset - 165mm 11-Speed 50/34t 110 BCD GXP Spindle Interface BLK CheckoutSpec= Trace 17 The ATRA (Advanced Training Resistance

The ATRA (Advanced Training Resistance Aluminum) Speed Reducer has a machined aluminum bearing retainer for the best heat dissipation and strength

model Hellbender 70 spindle interface 24mm shell T47 internal shell ID 47mm width 85

year 09-11 model Reba description air u-turn sleeve

96 BCD chainring if you need a 30t or larger for your XT M8000 or SLX M7000 crankset

Sleeved 6061 aluminum with 4

SRAM Force 22 Crankset - 165mm 11-Speed 50/34t 110 BCD GXP Spindle Interface BLK CheckoutSpec= Trace 17 The ATRA (Advanced Training ResistanceSRAM Force 22 Crankset 165mm 11 Speed 50 34t 110 BCD GXP Spindle Interface Black. Unidirectional carbon fiber arms and aluminum chainring spider provide excellent strength to weight. X Glide tooth profiles and shift assist pins enable quick and reliable front shifting."Hidden" chainring bolt threads into crank arm to enhance chainring stiffness Chainrings are optimized for Yaw front derailleur Q factor is 145mm TECH SPECS BB Included No Chainline Hub