Protect your bicycle's crank arms with the bicycle crank boot arm sleeve. Ideal for mountain biking and road cycling, this silicone sleeve guards against scratches and impacts. Installation is straightforward—just slip the sleeve over the crank arm and adjust for a It's a practical addition to your bike, ensuring longevity and performance. Features -Color:Black -Material:Silicone -Size:4.70X3.80X1.80cm/1.85X1.49X0.71in -Size:4.20X3.80X1.80cm/1.65X1.49X0.71in -Precision fit: engineered to fit precisely on your bike's crank arms, this cover ensures maximum protection without interfering with your pedaling efficiency. -Heat resistant: the silicone material is heat resistant, preventing deformation or damage even under high temperatures during long rides. -Flexible and stretchable: the flexible and stretchable nature of the silicone allows it to accommodate various crank arm shapes and sizes with ease. -Impact resistance: provides excellent impact resistance, safeguarding your crank arms from hard hits and collisions during offroad adventures. -Stylish design: the sleek and modern design of the crank cover enhances the overall look of your bike, making it stand out from the crowd. Package list: 4 x Bike Crank Arm Cover