Tsubaki 525 Sigma Extreme Heavy Duty Steel X-Ring Chain. Chain only (not sprockets), to fit the bike in the title of this listing. The chain will be supplied in the length stated in the title, for use with standard original size and pitch sprockets. If your bike has non standard sprocket sizes, or you are just not sure, please count the number of links in your existing chain, or message us, as we can supply in different lengths if needed. What You Get: 1 x Tsubaki Sigma 525 pitch steel x-ring chain supplied in length stated in the title of this listing 1 x Rivet type joining link. Founded in 1917, they have been manufacturing chains for over 100 years and have a solid reputation for producing high quality roller chains. For best results, you should always replace the sprockets at the same time as the chain. Fitting a new chain to worn sprockets will vastly accelerate chain wear and shorten the chain life. 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.