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Spinning BB

Shaping the future of riders' competitive edge Upgrade Now

Excellent equipment is a prerequisite for success

Precise installation of Mortop BB for maximum effect. Suitable for specifications of Propelling BB, Spinning BB, Screwing BB Shop BBTool

Winning strategy for performance

Explore our products specifically designed with the highest quality materials and technology and materials applied. Achieve your goals! Shop Now

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Inspired by Rider's Feelings

The goal of our product design is to build your competitive edge and deliver the ultimate riding experience.


Personalize your parts with various functional combinations.


We produce products that have accompanied our riders over 9,000 kilometres.


Out of the box thinking pushes us to create products that are both simple and outstanding.