RK 520XSO2 features RX-Rings that have X shaped seals which provide a double barrier to seal lubrication, providing 2 times longer wear life than standard O-Ring chains. Upgraded from the RK 520XSO, the new RK 520XSO2 is refined to fit a wider range of street or off-road applications up to 800cc. Tensile Strength: 35.5 kN Weight: 15.6 grams per link Max CC Rating: 800cc Street / 800cc Dirt Master Link Type: Clip / Rivet Chain Length: 112 Fits: Ducati MONSTER 797 2018-2020 MONSTER 797+ 2018-2019 MONSTER 800 2003-2004 MONSTER S2R 800 2005-2008 SCRAMBLER CAFE RACER 2018-2021 SCRAMBLER CLASSIC 2015-2019 SCRAMBLER DESERT SLED 2018-2021 SCRAMBLER FLAT TRACK PRO 2016 SCRAMBLER FULL THROTTLE 2015-2021 SCRAMBLER ICON 2015-2021 SCRAMBLER ICON DARK 2020-2021 SCRAMBLER MACH 2.0 2018-2019 SCRAMBLER SIXTY2 2016-2020 SCRAMBLER STREET CLASSIC 2019 SCRAMBLER URBAN ENDURO 2015-2016 Honda VT250FD 1985-1987 XL600R 1983-1987 XR250L 1991-2008 Kawasaki EX400 2011-2012 GPZ 500/EX500 1987-1993 GPZ 500/EX500R 1994-2003 2005-2009 GPZ550S UNITRACK 1984-1988 W800 2011-2016 W800 CAFE 2020-2021 W800 SPECIAL EDITION 2015-2020 W800 STREET 2020-2021 Z250 C LTD 1982-1984 Suzuki GT250 (X7) 1979-1982 Triumph BONNEVILLE T100 2017-2021 BONNEVILLE T100 BLACK 2017-2021 STREET SCRAMBLER 2017-2019 Yamaha SRX600 1985-1990 YZ125 1978-1982