【Aerospace-Grade Material】Forged from 6061-T6 aluminum alloy with sandblasted anodized black finish, offering superior strength-to-weight ratio (550g/pair) and corrosion resistance for MTB/road use
【Precision Engineering】170mm crank arm length with 24mm spindle interface, compatible with 8-12 speed drivetrains and direct-mount 3-bolt chainrings (104BCD pattern)
【Universal BB Compatibility】Designed for BSA24/BB92-24/PF30-24/BB30-24/T47-24 bottom brackets, fits most modern mountain/gravel bikes (68-92mm shell widths)
【Pro-Level Stiffness】Hollow forging technology reduces weight while maintaining torsional rigidity, 74mm Q-factor for optimal pedaling efficiency
【Complete Installation Kit】Includes M18 crank bolts, preload cap and installation tool - compatible with 9/16" pedals (Shimano/SRAM standard)