Shell Pf30 vs Shell Bb95: specs compared
Updated 05 September 2026.
4
specs differ
Shell Pf30 and Shell Bb95 differ on 4 specs: shell inside diameter, shell width, thread, crank spindles it hosts.
| Spec | Shell Pf30 | Shell Bb95 |
|---|---|---|
| Type | press fit | press fit |
| Shell inside diameter | 46 mm smooth press-fit bore | 37 mm smooth press-fit bore |
| Shell width | 68 mm (road) and 73 mm (MTB) | 95.5 mm |
| Thread | none, bearings or cups press into the 46 mm bore | none, cartridge bearings press straight into moulded carbon seats in the 37 mm bore |
| Crank spindles it hosts | designed around a 30 mm spindle; also runs 24 mm, 24/22 mm and 28.99 mm via a reducer BB | 24 mm Shimano Hollowtech II; the 37 mm bore is too small for a 30 mm spindle |
Questions and answers
How do Shell Pf30 and Shell Bb95 compare?
Shell Pf30 and Shell Bb95 differ on 4 specs: shell inside diameter, shell width, thread, crank spindles it hosts.