ITEM NAME:Chain Guide Guard for Yamaha YZ125 YZ250 YZ125X YZ250X YZ250F YZ450F YZ250F F3C3 Chain Guide Guard for Yamaha YZ125 YZ250 YZ125X YZ250X YZ250F YZ450F YZ250F F3C3 Item Type: Chain Sets Special Features: Chain Guide High Performance MX Motocross Chain Guide.for increased strength and durability. Featuring hard wearing plastic inserts. Stronger than OEM chain guides and it gives the best protection for your chain in some of the toughest of riding