ALUMINIUM ALLOY: These bike axle washers are made of premium solid aluminium alloy, featuring high strength, good toughness, and excellent wear proof. The sturdy structure is not easy to deform or crack, ensuring long service life even under long-term riding
SILVER APPEARANCE: These base washers can perfectly match your frame, components, and personal style. Thickness: approx. 1.9mm / 0..1". External Diameter: approx. 40mm / 1.5". Inner Diameter: approx. 34.7mm / 1.3". Quantity: 15pcs
EASY TO INSTALL: Each spacer is lightweight and will not add unnecessary weight to your bicycle, keeping your bike lightweight and efficient. With a standard precision size and smooth surface, they are very easy to install and remove without professional tools, making bicycle assembly, maintenance and adjustment quick
WIDELY USED: These bracket axle washers are specially designed for fine-tuning your mountain bike, providing accurate clearance adjustment for bottom brackets, flywheels and hubs. They help achieve a perfect fit between components, improve assembly stability, reduce abnormal noise and ensure smoother riding performance
VARIOUS BICYCLE PARTS: In addition to bottom bracket adjustment, these washer spacers can also be widely applied to BB axis, wheel hubs, cranksets and other bicycle parts. The 15-piece sufficient quantity fully meets your daily use, replacement and spare needs, making them essential practical accessories