Cybrei ceramic bottom bracket
*PRE-ORDER ONLY* The new DUB bottom bracket standard (29mm), built on a 28.99mm axle, allows for a bottom bracket design that is more resistant to contamination, while maintaining the ultra-efficient and durable qualities for which CYBREI bottom brackets are renowned. With an integrated dust cover for all models, a snug & secure fit that also fully protects the face of the bearing, delivering exceptional performance without any sacrifices. CYBREI hand-built bearings carry the load from crank to frame with un-paralleled durability & efficiency.