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Questions tagged [bsa]

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4 votes
1 answer
131 views

Bottom bracket BSA, brand question

EDIT: I have removed the part of the question about the size and moved it elsewhere, as it is the most important part as of now. I have a bottom bracket that needs replacement (or repair?). The bike ...
sancho.s ReinstateMonicaCellio's user avatar
0 votes
0 answers
36 views

Euro External Outboard Bottom Bracket - Heard a crack while installing

While installing a euro bottom bracket (BSA threaded), I heard a crack while tightening the NDS. The frame is aluminum and I'm not sure what the material of the bottom bracket is. Bottom bracket Frame ...
Kellen Stuart's user avatar
2 votes
1 answer
4k views

Crankset compatibility: Specialized Stout XC vs. SRAM GX 1000 GXP

I need to replace the crankset on my Specialized Rockhopper 29 Expert (year 2017) due to damage. I would prefer not to replace the BB to minimize the cost/effort. The original crankset is described by ...
erkil1452's user avatar
1 vote
1 answer
282 views

Will my chain line be affected if I use a BB386EVO crankset on a standard cartridge BSA frame?

https://www.ebay.com/itm/324064544587 FSA sells this which allows you to use BB386 cranks with BSA frames. Is the offset different enough between the two standards to cause problems with my chain ...
justin's user avatar
  • 379
6 votes
4 answers
1k views

Why were press fit bottom brackets invented?

What I've seen online says that it allows for lighter and stiffer cranksets becasue the axle can be a larger diameter. However, FSA sells BSA threaded outboard bearings compatible with BB386 EVO which ...
justin's user avatar
  • 379
1 vote
1 answer
495 views

Is ISIS compatible with BSA?

I want to get a Cyclone motor to install into my bike. My bike has a 120mm BSA bottom bracket, and the motor is available in Square Tape and ISIS varieties. Are these compatible?
Dmitri Nesteruk's user avatar
3 votes
1 answer
949 views

Can BSA 68/73 bottom bracket be used in place of fat bike BSA 100 mm

I have a fat bike with SRAM GXP 100 mm bottom bracket. Except for the length of the plastic sleeve that connects two cups, it looks exactly like BSA 68/73 mm bottom brackets used on non-fat MTBs. I ...
Grigory Rechistov's user avatar
3 votes
1 answer
754 views

BB30 to BSA frame conversion with internal cable routing?

I'm interested in using BSA crank parts with a certain BB30 frame and I'm a little unclear about cable routing, I'm hoping somebody here can help clarify the confusion. I'm considering purchasing a ...
cdahms's user avatar
  • 887