- 36 tooth primary chain drive sprocket - 102 tooth starter ring gear - 9 tooth pinion gear - One-piece forged 7075 hard anodized aluminum - Hard anodized finish for durability and strength - Direct replacement but much stronger version of the stock basket - Compatible OEM (style) clutch components - Ready for street or track - Complete with clutch hub bearing and starter ring gear - See 552009 for replacement bearing clutch basket.