1,High-quality Plastic: The bike sprocket guard is made of high-quality plastic materials, which features the high strength, abrasion-resistance, and it is not easy to break. 2, and Practical: This chain ring protective cover is made of high-quality plastic, which is light in weight, and it is simple in design. 3,Effective Protection: This sprocket protector is designed to protect your bicycle chain from scratches and friction. And it provides good protection suitable for the bicycle chain and prevents the clothes from dirty. At the same time, it also has great requirements on the sprocket. 4,Easy Mounting: The bike sprocket guard features the screws and gaskets, which is easy to mount, which is easy to mount, and just tighten the plastic screws, providing you with a convenient experience. 5,Wide Application: The bike sprocket guard is an excellent accessory suitable for sprocket. As long as your bicycle crankset is 42T, 44T, you can use this chain cover. And it is the perfect suitable for mountain bikes, road bikes, etc. Material:plastic colour:black Package Contents: 1 * Bicycle Crankset Protect 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.