Product:420 Chain 132 Link+Chain Breaker kit. Specifications:Chain No.: 420; Pitch: 1/2″; Roller Width: 1/4″; Roller Diameter: 5/16″; Sprocket Thickness: 0.227″. Fits:Links can be removed to fit virtually any application, like 50cc 70cc 90cc 110cc 125cc ATVs and dirt bikes, Go Kart, Mini Bike, Scooter, Pit Bike, Quad, etc. Packing included: 1 * Roller chain + 1 * Chain breaker kit.Brand new and high quality, well packed. Premium Quality: Made of alloy steel, heavy duty and long durabiltiy.Please check the description to confirm the compatibility before purchase. Links can be removed to fit virtually any application, like 50cc 70cc 90cc 110cc 125cc ATVs and dirt bikes, Go Kart, Mini Bike, Scooter, Pit Bike, Quad, etc.