DID chains are used extensively in racing, where they have been fitted to countless championship winning bikes, and they are also fitted as standard'OE' Original Equipment by most of the world's leading motorcycle manufacturers. JT Sprockets JT is one of the biggest and most popular aftermarket sprocket brands in the world Front sprockets are made from extremely strong SCM420 chromoly steel alloy, and the rear sprockets are made from ultra-durable high carbon C49 steel. The end result is high quality, hard wearing sprockets.JT Chain Cutting and Joining Tool This is a high quality chain cutting and joining tool. It will happily cut all 520, 525 and 530 pitch chains, and can join any 520, 525 or 530 pitch hollow tip rivet type link Designed for repeated use, it is a very handy tool to keep in your tool box for future use. We are a well known and long established UK based motorcycle parts supplier with an excellent reputation for delivering high quality motorcycle parts, backed by industry leading customer service. Images The main image in all of our chain & sprocket listings is a generic image. Please refer to the rest of the images in the listing for specific product information.