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- For crank Spindle 28.99mm, the bearings & spacers are installed directly on the frame shell to achieve super light weight.
- Ceramic Bearing
For the BB spindle 30mm, the original design bearing & spacer install on the frame to keep the light weight Specification: ˙2 x CERAMIC Bearings , 2 x Bearing shield ˙2 x Retaining Clip , 1 x Additional C Clip ˙DUB Shim *2 ˙Weight 56g
Aerozine BB30 Dub for Frame 30mm Bottom Bracket Bearing Kit Ceramic Bearing B082L42KYN