Is a BB30a the same as a PF30?

Is a BB30a the same as a PF30?

BB30A vs PF30A Typically a BB30 shell is made of aluminum, where a PF30 shell can be made out of all carbon.

What is the difference between BB30 and BB90?

So, BB90 refers to the width of a Trek frame down there in the bottom bracket area, where so much beef is required to make a really strong, stiff frame. Conversely, BB30 refers to something else entirely: the diameter of the bottom bracket spindle. Then there’s BBRight, and this is Cervelo’s standard.

Is BB92 the same as BB30?

Nope. The spindle on a BB30 crankset is too large (30mm) to fit through the hole in a BB92 BB shell and still have room for bearings. The spindle size on a crankset that is compatible with a BB92 is 24mm.

Is BB30 and BSA the same?

Re: BSA and BB30 BSA is English standard and have screw thread inside the hole ,usually use in shimano,while BB30 is Italian standard and don’t have screw thread, usually use in CP.

Can PF30 fit into BB30?

Yes. Same standard, different installation into frame though. Absolutly right. Though you can’t run a BB30 bottom bracket in a PF30 frame, or the other way around.

Are BB30 and PF30 compatible?

DUB is compatible with BSA threaded, PF86, PF92, BB30 (73mm shell) and PF30 (73mm shell) bottom brackets and cranksets are completely interchangeable between the different standards.

Does BB30 fit BB90?

Location: Tucson, Az. As has been said the answer is no, you can’t fit a true bb30 crank. That has to do with the length of the spindle.

What cranks fit BB30?

“The BB386 EVO cranks are compatible with almost every BB shell standard (BSA, BB30, PF30, BB86),” says Jason Miles of FSA.

Will a BB30 fit a 68mm bottom bracket?

While both standard BSA threaded frames and BB30 frames have 68mm shells for road bikes, the external bearings of the BSA frame when used with an outboard bottom bracket would render a standard BB30 crankset’s spindle too short to use with a BSA30 bottom bracket.

What is BB30a?

The BB30a is similar to the BB30 standard, but the frame BB shell is 5mm wider on the non-drive side. BB30a system uses thin spacers and/or a wave washer between the bearings and the crank arms to take up any slack and micro-adjust the chainline of the crank.

What is a BB30 frame?

BB30 specifically refers to a standard that used 68 or 73mm shells with a 42mm inner diameter meant to press 6806 bearings directly into the frame which had a 30mm internal diameter.

Is SRAM dub BB30 compatible?

Before you shake your head and scream at the sky at the prospect of another BB standard, SRAM DUB will fit anywhere existing GXP and BB30 cranks go. DUB will fit your frame.

  • July 26, 2022