1. Made of high-quality material, the protective cover is low-carbon, anti-aging, non-fading and durable. 2. The product is low in carbon and environmentally friendly and tasteless. 3. The protective cover is soft, non-slip, shockproof, heat resistant and oil resistant. 4. The product is easy to install, use and clean. 5. It is suitable for most cranks and is versatile. It is suitable for most road bikes and provides excellent protection for your bicycle crank. Product Name: Bicycle Crank Cover Model: ST-A17 colour:Black Material:Silica gel size:74 x 34 x 18mm Package Contents: 1 Pair x Bicycle crank cover Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.