Marketing Color: Carbon Material: Steel Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 52 JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. Induction hardened with black zinc finish available on certain sprockets. This item fits the following vehicle applications: 2018-2021 fits Beta™ 125 RR 2019-2020 fits Beta™ 200 RR 2013-2021 fits Beta™ 250 RR 2014 fits Beta™ 250 RR- Edition (2-Stroke) 2013-2021 fits Beta™ 300 RR 2014 fits Beta™ 300 RR- Edition (2-Stroke) 2011-2014 fits Beta™ 350 RR 2017-2021 fits Beta™ 350 RR Edition 2018-2021 fits Beta™ 350 RR-S 2015-2016 fits Beta™ 390 RR 2018-2020 fits Beta™ 390 RR-S 2013-2014 fits Beta™ 400 RR 2015-2016 fits Beta™ 430 RR 2018-2021 fits Beta™ 430 RR-S 2015-2016 fits Beta™ 430 RS 2013-2014 fits Beta™ 450 RR 2015-2016 fits Beta™ 480 RR 2017-2021 fits Beta™ 480 RR Edition 2013-2014 fits Beta™ 498 RR 1983-2007 fits HON CR125R 1984-2007 fits HON CR250R 1984-2001 fits HON CR500R 2003-2009 fits HON CRF150F 2012-2017 fits HON CRF150F 2003-2009 fits HON CRF230F 2012-2017 fits HON CRF230F 2019 fits HON CRF230F 2008-2009 fits HON CRF230L 2019-2024 fits HON CRF250F 2004-2024 fits HON CRF250R 2019-2024 fits HON CRF250RX 2019-2020 fits HON CRF450L 2002-2024 fits HON CRF450R 2024 fits HON CRF450R-S 2021-2024 fits HON CRF450RL 2019-2024 fits HON CRF450RWE 2019-2024 fits HON CRF450RX 2005-2009 fits HON CRF450X 2012-2017 fits HON CRF450X 2019-2024 fits HON CRF450X 1996-2004 fits HON XR250R 1996-2004 fits HON XR400R 2000-2007 fits HON XR650R