Part No. RHKLC-403 High performance launch control. CNC machined from 60601-T6 aluminium. Black anodised clamp with red anodised lock down button. Fitment. CR 250 R 1997-2007 CRF 250 R 2004-2022 CRF 250 RX 2019-2022 CRF 250 X 2005-2017 CRF 450 R 2002-2022 CRF 450 RX 2017-2022 CRF 450 X 2005-2017 KX 80 1995-2000 KX 85 2001-2022 KX 100 1998-2021