RK's H series chains are low-cost non-sealed motorcycle chains featuring 4 side (Quad) rivet staked pins. When pins are quad riveted they are stronger and more stabilized; which results in increased stress resistance due to high engine loads and makes the transmission of horsepower to the ground more efficiently. As a result of the change to the 4 rivet staked pins the addition of solid bushings and the application of RK's new specially formulated coating; RK non-sealed chains now show a 40% increase in chain life! RK non-sealed chains perfect for low displacement motorcycles that did not come from the factory with sealed chains. Tensile Strength: 10400 Nm Weight: 1.59 KG Max CC Rating: 400cc Street Master Link Type: CLIP Chain Length: 104 Fits: Honda CB250N TWO-FIFTY 1991 CRF150F 2007 2009-2020 SL230 1997-2001 VT250FD 1985-1987 XL200R 1983-1984 XL250R 1984-1987 XL350 1974-1978 XL350R 1984-1987 XR250 1982 XR250L 2005-2008 Kawasaki EX 400 1995 EX400 2011-2012 GPZ250R 1986-1987 KLR250 1985-2005 Z250 C LTD 1982-1984 Suzuki GT185 1974-1980 Yamaha SR250 1980-2001