C-BEAR Bottom Bracket BB386 EVO
Bottom Bracket - BB386 EVO
In essence,BB386 EVO is a 22mm wider version of PressFit 30, using the same cups, straight 46mm bore and 30mm spindle diameter but in an 86.5mm wide shell (BB30 measures 68mm across).386 EVO gains the advantage of more widely spaced bearings than BB30, though with virtually zero unsupported spindle on the matching 386 EVO-compatible crankset.