34mm Lower Sealed Chain Roller Yamaha YZ490 1983 1984 1985 1986 Review

34mm Lower Sealed Chain Roller Yamaha YZ490 1983 1984 1985 1986 Reviewhttp://tinyurl.com/qxojhfy 34mm Lower Sealed Chain Roller Yamaha YZ490 1983 1984 1985 1986 34MM High Performance Sealed Lower Chain Roller.Features: High performance polyurethane, Sealed precision bearings, Hardware Included.Fits: Yamaha YZ490 1983-1986.