Shadow Optimized Freecoaster Hub material: CNC 6061 alloy hub shell | cro-mo axle | chromoly driver style: LHD (left-hand drive) axle size: 14mm male axle driver: 9T | 1 piece spoke holes: 36H bearings: 6905RS drive side | 6002RS non drive side | 2 x 6802RS driver color: raw polished additional information: cone system that accepts an included replaceable, slide-on, non-drive side plastic hub guard