BBSwapFinder
Bike component fitment: bottom bracket, headset, seatpost, axle

Shell 386evo vs Shell 392evo: specs compared

Updated 05 September 2026.

2
specs differ

Shell 386evo and Shell 392evo differ on 2 specs: shell width, crank spindles it hosts.

SpecShell 386evoShell 392evo
Typepress fitpress fit
Shell inside diameter46 mm smooth press-fit bore46 mm smooth press-fit bore
Shell width86.5 mm91.5 mm
Threadnone, cups press into the 46 mm borenone, cups press into the 46 mm bore
Crank spindles it hostsdesigned around a 30 mm spindle in an 86.5 mm shell; 24 mm and 28.99 mm cranks need a reducer BBdesigned around a 30 mm spindle in a 91.5 mm shell; 24 mm and 28.99 mm cranks need a reducer

Questions and answers

How do Shell 386evo and Shell 392evo compare?

Shell 386evo and Shell 392evo differ on 2 specs: shell width, crank spindles it hosts.

Compared here

BB386EVO press fit bottom bracket shell (46 mm bore, 86.5 mm)BB392EVO press fit (MTB) bottom bracket shell (46 mm bore, 91.5 mm)