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Forum: Bicycle Mechanics

01-26-23, 08:25 AM

Replies: 19

Do all BSA 68 bottom brackets have the same thread length?

Views: 1,056

Posted By JohnDThompson

The YST bearings didn't last long, but it was...

The YST bearings didn't last long, but it was inexpensive enough to simply replace at that point.

Both the Mavic and the Edco have been out of production for many years, but can still be found....

Forum: Bicycle Mechanics

01-25-23, 09:17 PM

Replies: 19

Do all BSA 68 bottom brackets have the same thread length?

Views: 1,056

Posted By JohnDThompson

The YST threadless cartridge has a...

The YST threadless cartridge has a less-than-stellar reputation. Historically, threadless cartridges have also been offered by Mavic and Edco.

Forum: Bicycle Mechanics

01-25-23, 12:26 PM

Replies: 19

Do all BSA 68 bottom brackets have the same thread length?

Views: 1,056

Posted By JohnDThompson

A Dremel with a grinding attachment can remove...

A Dremel with a grinding attachment can remove protruding tubes that prevent a cartridge from being installed, and bottom bracket taps can extend the thread as needed. Or a threadless cartridge from...

Forum: Bicycle Mechanics

01-20-23, 09:18 PM

Replies: 19

Do all BSA 68 bottom brackets have the same thread length?

Views: 1,056

Posted By JohnDThompson

Was the problem that the threads were too short,...

Was the problem that the threads were too short, or that the protruding tubes prevented installing a modern cartridge bottom bracket?

Forum: Bicycle Mechanics

01-14-23, 04:34 PM

Replies: 19

Do all BSA 68 bottom brackets have the same thread length?

Views: 1,056

Posted By JohnDThompson

While Cinelli and most other investment cast...

While Cinelli and most other investment cast bottom bracket shells do have the relieved section past where the threads end, not all do. And bulge-formed shells tend not to have the relief.
In any...

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