Fun5° Bearing Ultra 30 set

The Fun 5º Bearing Ultra 30 Set by Mortop is a ceramic replacement bearing set for selected Spinning, Propelling, and Screwing bottom brackets that use 30 mm crank systems. Because 30 mm setups are often chosen for performance-oriented road, gravel, and mountain bikes, efficient power transfer and smooth rotation are especially important. Ceramic bearing balls help meet those demands by reducing rolling resistance and maintaining consistent performance under load, making them a premium upgrade beyond standard cycle wheel bearings or conventional bearing options.

Mortop’s patented Fun 5º tapered design also makes bearing replacement easier while reducing the risk of damaging the cups during service. Combined with AWAKE GREASE, the set gains strong protection against water, dirt, and corrosion for lasting performance in demanding conditions.