RaceFace Ride Fat Bike Crankset. The RIDE crank arm set offers CINCH versatility, adaptable chainring options and the 24mm EXI interface system for easier instillation and removal. This set is a budget-friendly option with signature RaceFace styling, performance and craftsmanship. CINCH system compatibility 24mm EXI interface Forged from 6061 aluminum with aggressive styling for a high strength to weight ratio Features signature RaceFace laser etched styling Direct mount chain line: 78.5mm / 85 mm ( flipped ring) 2x Cinch spider chain line : 77 mm Crank length: 175mm Pedal spindle: 9/16” BB not included