Bicycle Crank 110/127/140/150/160mm MTB Bicycle Crankset 28T 30T 32T

ultralight children's bicycle crank 110/127/140/150/155/160mm length hollow one-piece bicycle crank Sprocket with protectors 28T 30T 32T 34T 36T Material :6061 aluminum alloy Model :GOLDIX-RD Crank length : 110/127/140/150/155/160mm Installation type :GXPDirect installation Chain link :28T 30T 32T 34T 36T Axle diameter :24mm Shaft material: chrome molybdenum steel Crank screw specification :m18 Surface treatment: anodized Pedal :m13 Support speed :7s-10s Compatible with :SHIMANOSRAM, SENSAH, LTWOO, Microshift Specifications of lower bracket: BB68 M68-73(standard), suitable for the frame bottom bracket width 68mm-73mm. Thread specification :BC1.37*24T, outer diameter 34mm, suitable for 24mm shaft

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