C-BEAR adopted an anti-plastic stance as early as 2011/2012, when plastic additives were just becoming the norm in bottom bracket manufacturing. They placed in the top 3 for bottom bracket efficiency in a study by the independent Friction Facts Lab (with first place going to an unsealed bottom bracket for indoor use).Ĭ-BEAR bearing cups are made of CNC precision-machined aluminium. The Race bottom bracket bearings are designed for low rolling resistance and intended for use on dry roads. Race version, designed for driving on dry, clean roadsĬ-BEAR ( Ceramic BEARings) Inner bearings are available with 2 different types of ceramic bearings.SRAM DUB (Eagle, Eagle AXS, Red eTap AXS, Force eTap AXS).Specifications: Application: Road Type: T47 Shell Width: 68 mm Axle Diameter: 28.99 mm (DUB) Technical Information: Bearings: Ceramic Bottom Bracket Cup Material: Aluminium Compatibility: However, this bottom bracket is not suitable for use in wet conditions or on dirty roads. Thanks to its smooth-running ceramic bearings, it benefits a low-friction drivetrain. Use the C-BEAR T47 SRAM DUB Race bottom bracket if you want to install a SRAM crank with 28.99 mm axle diameter in a T47 road frame with 68 mm shell width. C-BEAR T47 SRAM DUB Race bottom bracket - For a low friction drivetrain
