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: 116 Fits: Cagiva 125 MITO 2008-2009 125 MITO 1 SPORTS 1991-1993 125 MITO 2 SPORTS 1994-2007 125 PLANET 1997-2002 Mito SP525 2008-2011 Raptor 125 2004-2011 GasGas EC200 2003-2004 2006 2008-2019 EC200/E Racing 2016 Honda CR125R 2004 2006 CRF450L 2019-2020 Husqvarna 701 ENDURO 2016-2021 WR125 1990-1997 WR240 1985-1988 1990-1991 KTM 200 EXC 2000-2001 2003 250 EXC RACING 2000-2001 Suzuki DR800S 1990-1993 DRZ250 2001-2020 GSX250R 2018-2022 GW250 Inazuma 2013-2018 RM125 1984-1987 RM500 1983-1985