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: 120 Fits: GasGas EC300 2018-2019 2021-2022 EC300 SIX DAYS 2018 Honda CRF300 RALLY 2021-2022 CRF300L 2021-2022 NXR125 FARM 2004-2013 NXR125 STREET 2004-2013 NXR125ES 2008-2010 XR125 Duster 2011-2013 XR150L 2014-2021 XR190 2017-2021 Husqvarna TE125 2014-2016 TE150 2018-2019 TE150i 2020-2021 TE300 2018 TE300i 2018-2021 TX125 2017-2019 TX300 2017-2019 KTM 125 EGS 1993-1997 125 SX 1995-2005 2007-2015 2017-2022 200 DUKE 2012-2019 250 EXCF 2020 250 XC TPI 2020 300 EXC SIX DAYS 2015-2017 300 EXC TPI SIX DAYS 2018-2020 300 EXCE 2008-2013 300 XC TPI 2020-2022 440 MX 1994 450 XC 2004-2007 RC125 2014 Kawasaki KDX175 1980-1982 KDX450 1982 KX420 1980-1981 Yamaha TTR250 1998-2016 XJ6N 2009-2017 XJ6NL 2013-2017 XJ6NL SP 2013 XJ6S 2009-2013