Rims come tubeless taped but can also accommodate tubes and clincher tires without modification

and a final top layer of friction reducing Reactive Gel

Weight: 25g

Angular contact ball bearings are particularly suitable for carrying combined axial and radial loads

crisp shifts

Shimano DURA-ACE BB86 EXI,HOLLOWTECH-II,MEGAEXO-LIGHT,MEGAEXO 86mm Bottom Bracket compatio_raw Rims come tubeless taped butWith an advanced seal construction for smoother rotation, the DURA ACE is still lightweight at 54 grams. Bottom bracket with small ball bearings for lightweight Advanced seal construction for smoother rotation Weight: 65g (SM BB9000) 54g (SM BB92 41B)