Bicycle Freewheel Hub Bottom Bracket Spacer CNC Aluminum Alloy

Material: Crafted from high-quality CNC aluminum alloy for exceptional durability and lightweight performance.

Function: Designed to precisely adjust the spacing of bicycle freewheels, bottom brackets, and hub bases.

Compatibility: Suitable for mountain bikes and other bicycles requiring fine-tuning of component clearances.

Precision: Ensures optimal alignment and smooth operation of drivetrain components, reducing wear and tear.

Installation: Easy to install and remove, allowing for quick and efficient adjustments to your bike setup.