This aluminum alloy crankset cap offers excellent dust resistance, keeping your bike's center shaft clean and functioning smoothly. Its precision-engineered design fits seamlessly onto the crankset, providing a secure and stylish solution for maintaining the integrity of your bike's drivetrain system during rides. Features -Color:Black -Material:Aluminum alloy -Size:2.50X2.50X1.00cm/0.98X0.98X0.39in -Aluminum alloy build: made from aluminum alloy, this crankset cap offers strength and resistance to wear, ensuring performance in diverse riding conditions -Dustresistant design: the protective cover effectively blocks dust, keeping your crankshaft clean and ensuring consistent and reliable drivetrain operation -Optimized weight reduction: the lightweight design minimizes the bike's overall weight, improving riding efficiency and making it suitable for extended mountain and road cycling trips -Stable power transfer: center shaft design enhances stability during pedaling, providing a smoother and more powerful riding experience on any -Universal compatibility: designed to fit a wide range of mountain and road bikes, this crankset dust cover is a versatile accessory for upgrading your bike's performance Package list: 3 x Crankset Dust Cover