Description: - 【Suitable For】: The Bike Chain Guard is designed specifically for tooth plates with a hole spacing of 104mm, wide compatibility, suitable for most mountain bikes, folding bikes, and urban commuting bikes. It can be perfectly installed in the middle of the 44T/42T large plate nail - 【Quality】: The Chainring Guard is made of premium plastic material, wear resistant, keeping the chain from falling off and the hem from rubbing against the chain - 【Great Workmanship】: The Sprocket Cover with fine workmanship, not easy to be damaged, strong and sturdy for a long using time - 【Features】: This Bicycle Chain Wheel Protector provides great cover for the sprocket, keeping it from contacting with obstacles or being damaged during riding. Also, pants are not easily caught in the gear wheel, which has the effect of keeping from breakage and oilproof during the cycling process - 【Wide Applications】: The Chain Loop Protector is widely suitable for mountain bikes, road bikes, BMX, etc. Size Chart: Outer diameter 19cm/7.48inch Hole spacing 10.4cm/4.09inch Package Includes: 1 Bike Chain Guard 8 Screws Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.