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

Shell 386evo vs Shell Pf30: specs compared

Updated 05 September 2026.

3
specs differ

Shell 386evo and Shell Pf30 differ on 3 specs: shell width, thread, crank spindles it hosts.

SpecShell 386evoShell Pf30
Typepress fitpress fit
Shell inside diameter46 mm smooth press-fit bore46 mm smooth press-fit bore
Shell width86.5 mm68 mm (road) and 73 mm (MTB)
Threadnone, cups press into the 46 mm borenone, bearings or 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; also runs 24 mm, 24/22 mm and 28.99 mm via a reducer BB

Questions and answers

How do Shell 386evo and Shell Pf30 compare?

Shell 386evo and Shell Pf30 differ on 3 specs: shell width, thread, crank spindles it hosts.

Compared here

BB386EVO press fit bottom bracket shell (46 mm bore, 86.5 mm)PF30 press fit bottom bracket shell (46 mm bore press fit)