But whereas a BB30 sealed bearing is pressed directly into the bb shell, a PF30 system has cups that are pressed into the shell. The drive and non-drive side's ...
PF30 is also a PressFit type bottom bracket and thus no thread on the outside of the bottom bracket. It uses the same bearings as BB30. The only difference is ...
2017年12月11日 — Typically a BB30 shell is made of aluminum, where a PF30 shell can be made out of all carbon. We need more standards!! As if two new standards, ...
2019年3月13日 — For example, a BB30/PF30 bottom bracket has the narrowest shell width of any of the standards, whilst being designed for large 30mm spindles.
2019年5月29日 — A PF30 frame has a shell slightly larger than BB30 (46mm compared to 42mm). The bearings are pressed into cups which are then pressed into the ...