Our clutch assembly with 3/4" shaft & 10 tooth 420 chain sprocket plus a 9' 420 ATV & dirt bike open loop chain with master link; an all-in-one combination pack.. This Alvey combo pack is a perfect fit for a Baja Motorsports MB165 or MB200 Mini Bike.. The clutch sports a 3/4" shaft bore & a 10 tooth 420 chain sprocket.. Nine feet of 420 chain comes with a master link so you can tailor the size..
