Tsubaki 525 Alpha Super Heavy Duty Gold X-Ring Chain & JT Sprocket Kit. This is a very high quality chain & sprocket kit featuring Tsubaki's super heavy duty Alpha gold x-ring chain combined with high quality JT steel sprockets and alloy quick change rear sprocket carrier. What You Get: 1 x Tsubaki Alpha 525 pitch gold x-ring chain 1 x Tsubaki Alpha rivet type joining link 1 x JT steel front sprocket (OE size) 1 x JT alloy quick change rear sprocket carrier 1 x JT steel rear sprocket (OE size). Founded in 1917, they have been manufacturing chains for over 100 years and have a solid reputation for producing high quality roller chains.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 This kit includes an alloy rear sprocket carrier; you need to remove the drive rubbers from the original rear sprocket and fit them into the receivers in the new sprocket carrier. The steel rear sprocket then bolts to the alloy carrier using the bolts provided. If you already have a JT sprocket carrier, we can supply this kit with just the outer sprocket, please message us for details. 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.