Product Features 1.Stretch velcro fastening anti-Drop design 2.Wrapped dustproof & rustproof 3.Lining is made of anti-fouling and waterproof material 4.Wear-resistant and waterproof PU surface 5.Elastic hook fastening 6. Fashion reflective Logo Waterproof Dustproof Crankset Protector It can protect the bicycle chainwheel from dust and water when you put your bike on the car roof for long distance travel or store the bicycle in the off-season Note:After the crankset cover is installed, the bicycle cannot be ridden and is suitable for fixed storage Material:Polyester cloth + PU film glue Weight:60g lnstallation Method:Hook