Naturally, our product is light in weight, which it is easy to carry and install. And it also will not easy to slide and deform because it has uniform force.Adopting anodized technology, so the screw strength is high. It will not east to fade and oxidate while it has excellent corrosive resistance.It is made from aluminum alloy, is durable to use.The length of the product is 2.8 cm.With strong compatibility, suitable for most bicycles on the market.Item Name: Bicycle Crank CoverMaterial: Aluminum AlloyFeatures: Fit Seamlessly, Anti-rust, Rigidity Reminder: Pay attention to the measure specifications.Size Details: Length: 2.8cm/1.1" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Bicycle Crank Cover