Fun5° Bearing Ultra 30 set Spindle (mm):30 significantly increasing the tool contact

significantly increasing the tool contact area and ensuring extremely even locking force

we not only achieve a lighter build but also create a clean

The outfit of headsets inherited the MORTOP aesthetic

Crafted with high-performance alloy spokes to achieve the perfect balance of stiffness

Crafted with high-performance alloy rims and spokes to achieve the perfect balance of stiffness

Fun5° Bearing Ultra 30 set Spindle (mm):30 significantly increasing the tool contactTapered bearing for Spinning BB, Propelling BB, Screwing BB cartridge ball replacement, it easy to replacement and avoid the damage the cups make your partner accompany with you longer.