About this product

【Multi -function Bottom Bracket Wrench】Suitable for BB wrench in 39 40.5 44mm outer diameter，16 Notch.

【High-quality material】The bicycle multifunctional wrench is made of high-quality stainless steel material, which has very good corrosion resistance and is not easy to rust.

【High safety】The surface of the stainless steel bicycle center shaft wrench is smooth, which is not easy to scratch the hand or cause injury, and it is relatively safe to use. Resistant to dust and grime, it is relatively easy to clean.

【Precise Design】Tight biting, not easy to slip teeth, frosted polishing, precision line cutting, not damage bottom bracket; Close loop designed, eliminate opening deformation, straight tooth shape, high utilization ratio of occlusion

【Long service life】Our center shaft wrench has high strength, not easy to be deformed or damaged, and has a long service life.

【Robust Stainless Steel Construction:】The bicycle centerlock tool's closed ring design prevents power loss and slippage – optimized for high torque when removing bottom brackets.

【GK-BB04:】Designed for outer diameters of 48 mm, 49 mm, and 50 mm (12-tooth sprockets).Returns, Refunds and Replacements