ITEM NAME:Bike Crank Arm Crankset Bottom BB Axle Allen Bolt Screw for SHIMANO Black A#S Product Description Description: Specification: 100% Brand New and High Quality Name: Color tooth disc screw Material: Aluminum alloy 6061 Tooth disk device classification: Tooth disc Diameter: 20 mm Weight: 9g Color: Black Note: The diameter of the tooth disc screw is 20mm, so it can not fit for the 18mm diameter bicycle, like FC-4500, FC-5600. It is fit for SHIMANO or some same specification bicycles. Included: 1 x Tooth disc screw.Tooth disk device classification: Tooth disc. Included: 1 x Tooth disc screw. Color: Black. Weight: 9g. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
