Stylemafia Chain Breaker #420-530 Chain Tool fit for Dirt Pit Bike ATV Quad Go Kart Scooter Motorcycle Bicycle Chain Break # 420 428 520 525 528 530 Application Powerful：This chain breaker is fit for 420 428 520 525 528 530 roller chains. 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. Material: This roller chain breaker is constructed with high quality molybdenum steel which has a higher strength than normal metal material ，Long service life. Design: The surface of the chain breaker is special treated and is corrosion resistant. The chain breaker has a ergonomics design and will make your work much easy.Let you easily remove chains of various applications. Professional after-sales：Please check the description to confirm the compatibility before purchase. Thank you! if you have any problems or concerns, please kindly send us mail any time, we are always here to provide you 100% satisfied after-sale service.