Part No. RHKCG10-R CNC machined from 6061-T6 aluminium. Fitted with long wear life plastic chain guide insert. Replacement chain guide inserts available. Available for a wide model range. Strong and durable. Fitment. Honda CRF 150 F 2007-2017 Honda CRF 230 F 2007-2019 Honda CRF 250 F 2019-2022