With a heat-induction hardened high carbon steel outer ring combined with a lightweight, aviation grade ergal 7075-T6 aluminium core, the JT Twinstar Sprocket lasts 6 times as long as its full aluminium counterparts.
Fits: BETA RR350 4T 2012-2013 2015 2018-2019 RR400 4T 2010-2011 2013 Beta RR 2T 200 2023 RR 2T 250 2023 RR 2T 300 2023 RR 4T 350 2023 RR 4T 390 2023 RR 4T 430 2023 RR 4T 480 2023 Honda CR125R 1983 1987-1994 1997 2004 2006 CR250R 1986 1988-1994 1997 1999-2000 2002 2004 CR500R 1986-1994 CRF230F 2004-2005 2013 2016 CRF250F 2022 CRF250R 2004 2006 2010 2023 CRF250X 2005 2007 CRF450L 2020 CRF450R 2018 2023 CRF450RX 2020 CRF450X 2005 2007-2008 2012 2016-2017 2023 NXR125 STREET 2005-2007 XR150L 2015 2020-2021