DescriptionUsing hollow out design, these bike spacers are made of aluminum alloy are more lighter than similar product, and material are more resistant to corrosion than other kind alloy. With good strength, automatic cutting of thin and flat incision, do not peel, match each other and install easily. Can goes with your bike really well, fit on firmly and they line up well to each other.Features- Color: Red. - Material: Aluminium Alloy. - Size: 3.45 x 3.45 x 1cm. - Made of aluminum alloy material, full CNC machining Hollow process treatment, sturdy and durable to use. - Lightweight and easy to install. - Perfectly suitable for 28.6mm front stem fork of MTB mountain bike, road bike, fixed gear, folding etc. - Replace the ordinary monotonous washers, add a color to your bike, the color is more diverse. - 4pcs in one pack, colorful, just choose the color you like.