●Chain Guide Fitment: CRF250R 2007-2019 ,CRF450R 2007-2019 , CRF250X 2007-2017 , CRF450X 2008-2019 , CRF250RX 2019 , CRF450RX 2018-2019 , CRF450L 2019 ●Chain Guide is CNC Machined 6061-T6 Aluminum Alloy,Gorgeous Anodized Surface. ●Chain Guide Rub blocks are made from ultra high molecular weight polyethylene for long wear. ●JFG Chain Guide Guard gives the best protection for your chain in some of the toughest of riding conditions. ●Attractive new design from JFG RACING,Great for replacement and upgrade.