RK sealed O-Ring chain features heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings. The O-rings are made from advanced Nitrate Butadiene composite for maximum performance and wear life. Weight: 1.13 KG Max CC Rating: 250cc Street Master Link Type: CLIP Chain Length: 124 Fits: Honda CBR125R 2005-2010 XL125 1978-1986 Yamaha AG125 2017-2022