Chain Drive System

1 Piece to 3 Piece Wide Crank Conversion Kit / Bottom Bracket Adapter


American to European adapter kit for converting standard 1 piece crank bicycles to be used with 3 piece wide cranks such as those included with our 4G 4 stroke kits. Kit features new bearing race reducer and European bottom bracket set with a semi-sealed...

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Heavy Duty Bicycle Engine Sprocket Adapter For Motorized Gas Bikes - 44 Tooth


This may appear to be a plain version of our other Sportsman’s Flyer Sprocket Clamp but really it has been built with strength and durability in mind. The Sportsman’s Flyer Sprocket Clamp B has a standard 44 tooth rear sprocket with an axle acceptance...

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