Description:The surface is treated with CNC process to enhance the beauty. The tooth-shaped teeth increase the grasp force, and it does not drop the chain.The crankset tooth plate uses premium material, long service life, sturdiness and durability, and not easy to deform, making it convenient for you to use.High strength and thick aluminum alloy features good compression resistance, waterproof, moisture proof and rustproof, sturdy and durable.The length of the oval disc is about 28cm, the width is about 26cm, and the thickness is about 0.4cm.Oval chainring is suitable for road bikes and folding bikes. Convenient installation and operation, providing you a good using experience. Item Name: Bicycle Oval DiscMaterial: Aluminum AlloyStyle: OvalBCD: 110/130mmSpecification: 52T, 54T, 56T, 58T, 60TFeatures: Replacement, Serrated, Wear-resistantSize Details:Size: 28cm x 26cm x 0.4cm/11.03" x 10.24" x 0.16" (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:1 x Bicycle Oval Disc