RK's most affordable sealed chain; the SO series features RK's tried and true O-ring seal technology which is proven to increase chain wear life over a standard non-sealed chain. The SO provides the most convenient blend of performance and affordability and is suitable for both road & off-road applications making them ideal for all farm and daily commuting motorcycles. Tensile Strength: 9400 Nm Weight: 1.54 KG Max CC Rating: 400cc Street / 400cc Dirt & ATV Master Link Type: CLIP Chain Length: 100 Fits: Honda ATC250R 1986 CRF230L 2008-2015 MVX250 1983 Kawasaki BR250 1986-1988 Polaris TRAIL BLAZER 250 1990-2006 TRAIL BLAZER 250 2x4 2006 TRAIL BLAZER 330 2x4 2008-2013 Suzuki GT200 1979-1982 Yamaha TT500 1980-1981 XT250 1980-1991 XT500 1976-1981 YFM350X WARRIOR 2WD 1989-2004 YZ100 1976-1979