Praxis Works Shimano ConvBB30/PF30 MTB 73mm Bottom Bracket

The Praxis Works Shimano ConvBB30/PF30 MTB 73 mm bottom bracket is a high-end solution for BB30, PF30, and Specialized OSBB (73x46 mm measurements) frames. Designed to accommodate a 24 mm Shimano hollow axle, it ensures optimal rigidity thanks to its patented R-Collet system. This orange rubber collet exerts constant pressure on the bottom bracket cups after installation, eliminating any play or unwanted noise.
The innovative design allows the bearings to be precisely aligned outside the frame, thus avoiding the tolerance issues associated with competing systems. The non-drive side uses a compressible O-ring to compensate for variations in frame thickness, while the internal threading system between the two cups ensures perfect bearing retention. Made of aluminum with high-performance ceramic bearings, this bottom bracket combines lightness, durability, and silent operation.