Clutch drum with rim sprocket and needle cage assembly designed for chainsaw models 070, 070AV, 090, 090AV, 090G, 1106, 640, 2025, 9512, 933, and 4050.This component is engineered to power transmission from the engine to the cutting chain.The integrated rim sprocket allows smooth chain rotation while the needle cage supports consistent under conditions.Suitable for use in replacement or repair of compatible chainsaw units.