rotor-kapic-cross-country-crank-arm-set-170mm-direct-mount-bb30-pf30-spindle-interface-black
rotor-kapic-cross-country-crank-arm-set-170mm-direct-mount-bb30-pf30-spindle-interface-black, Kapic Cross Country crank arms are CNC machined from 7075-aeronautic-grade aluminum, and feature Rotor's Trinity Drilling System for an exceptionally lightweight design, with superior stiffness to handle the toughest of MTB routes. The modular system allows you to customize your spindle, crank arms, and chainrings for the ideal set upTrinity Drilling System adds internally machined holes to eliminate excess material while elevating stiffnessFully CNC machined from 7075 Aeronautic-grade aluminumCompatible spindles, chainrings and bottom brackets are sold separately