Black-bearing Black Bearing B4 Steering Bearing 30.15 X 39 X 6.5 Mm 45/45 °

The steering bearings of the B4 range .

The range of Black Bearing bearings is specifically designed for the cycle (frames, wheels, pedals …), urban sports (Roller, Skate, BMX …), motorcycle, quad, Karting, model making …

European or Japanese made, the range has been developed and optimized to withstand the most extreme conditions of use.
Each of the components (steel, lubricant, grease, etc.) is selected and assembled with precision. Constant quality control throughout their production guarantees bearings corresponding to the highest quality standards.

A Black Bearing bearing is synonymous with Reliability, Fluidity, Efficiency, Rigidity …
An excellent replacement bearing compatible with your original bearings.

Details:

• Dimensions: 30.15 x 39 x 6.5 mm.
• Angle: 45/45 °
• For 1 “1/8 steerer tube.
• Steel
• ?2RS? seals: Latest generation double lip labyrinth seals. Better resistance to water and dust, combined with low friction.
• Ground bearings for better fluidity and longer life.
• Superior quality lubricant.
• Maintains balls by metal cage.

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