BB392EVO press fit (MTB) bottom bracket shell (46 mm bore, 91.5 mm)
What a BB392EVO press fit (MTB) shell measures, which crank spindles it hosts, and the bottom bracket to buy.
Published dimensions
| Type | press fit |
|---|---|
| Shell inside diameter | 46 mm smooth press-fit bore |
| Shell width | 91.5 mm |
| Thread | none, cups press into the 46 mm bore |
| Crank spindles it hosts | designed around a 30 mm spindle in a 91.5 mm shell; 24 mm and 28.99 mm cranks need a reducer |
SHELL 91.5 mm
SPINDLE designed around a 30 mm spindle in a 91.5 mm shell; 24 mm and 28.99 mm cranks need a reducer
SPINDLE designed around a 30 mm spindle in a 91.5 mm shell; 24 mm and 28.99 mm cranks need a reducer
Used on: mountain and some gravel frames wanting a 30 mm spindle in a wide press-fit shell.
BB392EVO is the MTB-width sibling of BB386EVO: the same 46 mm bore in a wider 91.5 mm shell. A BB386EVO road unit is too short for a BB392EVO shell.
Fit a crank to this shell
30 mm spindle (BB30 / PF30 style) in a BB392EVO press fit (MTB) shelldrops inShimano Hollowtech II (24 mm) in a BB392EVO press fit (MTB) shellneeds a reducerPF30 press fitrelated shell (46 mm bore press fit)BB30 press fitrelated shell (42 mm bore press fit)BB386EVO press fitrelated shell (46 mm bore, 86.5 mm)BBRight press fitrelated shell (46 mm bore, 79 mm)
SOURCES: BikeRadar, The complete guide to bottom bracket standards · Wheels Manufacturing, BB Overall Width Reference Chart