ITEM NAME:Pack of 10pcs Bike Headset Stem Washer Chainring Chainwheel Spacers Gasket Description: - Made of qualified aluminum alloy; wear resistance, strong tensile strength - Corrosion and rust resistance, high strength and sturdy - It is used to mount single chain wheel because the double chain wheel screws is too long to lock by wrench - Suitable for bike headset, stem, and chain wheel changing - Inner Diameter: 10mm/4inch; Outer Diameter: 12mm/5inch; Thickness: 2mm Specification: - Material: Aluminum Alloy - Inner Diameter: Approx.10 mm / 0.39 inch - Outer Diameter: 12mm/0.47 inch - Thickness: Approx. 2mm / 0.08inch Package Included: 10 Bike Washers Note: Please allow slightly difference due to manual measurement. Thanks.Suitable for bike headset, stem, and chain wheel changing. - It is used to mount single chain wheel because the double chain wheel screws is too long to lock by wrench. 10 Bike Washers. - Made of qualified aluminum alloy; wear resistance, strong tensile strength.
