PT–6639ATM47 * P1.0 Threaded BBT47 threaded BB fØ30 spindle cranksetWidth: 86.5 / 89.5 / 92mmWeight: 156gBearings: Sealed cartridge bearings 42 * 7 (R433)Material: CNC machined AL6061 cupsFinish: Anodized colavailable