AXP Chain Guide (Black) Honda CRF250L 13-20 CRF300L/CRF300L Rally 2021 Machined in thick Ultra-high-molecular-weight (UHMW) plastic sheets, AXP Chain Guides are stronger than the OEM parts, offering a better durability and resistance to impacts! Tested and approved by pro riders! Chain Guides are available for a wide variety of bikes.