4.5″ Rear Drum Brake Band with Sprocket Hub Adapter For Go Kart Mini Bike ATV
The brake drum has universal mounting hole pattern, those 8 bolt holes will match those on you wheel brake hub.There is a hole on either end of the brake band. Align the key ways in the sprocket and then bolt a sprocket to it, and axle install a key in the key way in the sprocket and in the axle shaft then tighten the set screws.