SRAM XX1 Eagle SL 12sp Crank 165mm CL49/52/55 Gry Model=X4 Rear Derailleur Compatible with SRAM T-Type chains

Compatible with SRAM T-Type chains Tooth Count 34 Drivetrain Speeds 12 Round or Oval Round Offset 0 Material Aluminum Color Black/Silver Defined Color Silver Direct Mount Type Direct Mount SRAM 8-Bolt Size 34T

Width 68/73mm BB Interface T47 Spindle Type 30mm Length Cup Material 6061AL Weight 141g Cup Type Outboard Cup OD/Bearing OD Color Black

Classic 3 panel seat design with pivotal base

Laser cut to precise tolerances from 2mm thick tool steel to ensure perfect fit then optimally heat-treated for a lifetime of service

For everything from steep bowls to dirt jumps the Vault BMX tire is a freestyle BMX powerhouse

SRAM XX1 Eagle SL 12sp Crank 165mm CL49/52/55 Gry Model=X4 Rear Derailleur Compatible with SRAM T-Type chainsEagle technology provides a light, simple, durable and easy to use drivetrain Proprietary carbon lay up design ensures weight savings without compromising strength 8 bolt chainring interface (not compatible with 3 bolt direct mount rings) Compatible with Quarq Dzero XX1 Eagle power meter spider Chainring not included DUB cartridge bearing bottom bracket set sold separately Model XX1 Eagle SL Length 165mm Direct Mount BCD 8 Bolt Configuration 1x