Cema BBright42 Ceramic Shimano bottom bracket cups

CEMA BBright42 Ceramic Shimano Bottom Bracket: The Ultimate Performance Upgrade

Unlock the true potential of your road bike with the CEMA BBright42 Ceramic Interlock Bottom Bracket, meticulously engineered for cyclists who demand unparalleled performance, efficiency, and reliability. Designed specifically for frames with a 79mm BBright shell, this premium bottom bracket is the definitive solution to eliminate creaks, reduce friction, and maximize your power transfer, making every pedal stroke count. It´s the perfect high-performance upgrade for dedicated road cycling enthusiasts and competitive racers using a Shimano 24mm axle crankset.

Experience Unmatched Performance and Silence

At the heart of this bottom bracket is CEM´s revolutionary Interlock technology. Unlike conventional press-fit systems that can be prone to movement and noise, the CEMA Interlock design features cups that thread securely into each other inside the frame. This creates a single, solid unit that ensures perfect bearing alignment, increases overall stiffness, and completely eradicates the frustrating creaks often associated with press-fit bottom brackets. The result is a silent, stable, and incredibly efficient platform that translates more of your effort directly into forward motion.

Effortless Speed with SRC Ceramic Bearings

Feel the difference with every rotation thanks to the included CEMA SRC (Stainless Racing Ceramic) bearings. These are not just any ceramic bearings; they feature ultra-hard, G5-grade Silicon Nitride (Si3N4) balls that are significantly rounder, smoother, and lighter than traditional steel bearings. This superior construction drastically reduces friction, allowing your crank to spin with buttery smoothness and minimal resistance. You´ll experience noticeable energy savings, especially on long rides and during high-intensity efforts, giving you a distinct competitive advantage.

Engineered for Lasting Durability

Built to withstand the rigors of competitive Road Cycling and high-mileage training, the CEMA BBright42 is crafted from the finest materials. The cups are precision CNC-machined from high-grade aluminium for a perfect fit and exceptional strength. Protecting the world-class ceramic bearings are robust aluminium dust covers and an advanced double O-ring sealing system, which provides a formidable barrier against water, dirt, and grime. This ensures your bottom bracket runs smoothly and efficiently for seasons to come, regardless of the weather conditions.

Upgrade your BBright-compatible bike with the component it deserves. Choose the CEMA BBright42 Ceramic Bottom Bracket for a quieter, stiffer, and faster ride.

Technical Specifications
* Product: BBright42 Interlock Bottom Bracket
* Frame Compatibility: BBright
* Frame Shell Width: 79 mm
* Frame Inner Diameter: 42 mm
* Crank Compatibility: Shimano Hollowtech II
* Axle Diameter: 24 mm
* Bearing Type: CEMA SRC Ceramic
* Cup Material: CNC Machined Aluminium
* Available Colours: Black, Red