Home » Cranksets » Belt Drive » rt-h32-3w Belt Drive CRANKSET FOR BELT DRIVE RT-R (Spider) RT-L (Arm) H32-3W (BB) Cranks: Forged AL6066 Length: 165mm, 170mm, 172.5mm, 175mm BCD: 130mm Spindle: Cr-Mo SCM440 Chainline: 54mm Eccentric BB “H32-3W” Included Color: Silver, Black