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  • FSA Euro BB Bearings
  • FSA Euro BB Bearings

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FSA Euro BB Bearings

Bottom brackets connect the cranks to the bike and allow the crank arms to rotate. There are various sizes of bottom bracket shell on the market, so compatibility needs to be checked. The three most common frame bottom bracket shell widths are 68mm (English threaded road and mtb), 70mm (Italian threaded road) and 73mm (British threaded mtb). There are also many axle shapes and styles, from JIS or ISO square tapers through to the round splined axles such as ISIS or Octalink and then there is the new external cup systems which have the axle built into the crank arms. Some frames are now using the new BB30 system which uses bearings pushed directly into the frame and removes the needs for cups to be threaded into the frame.

Buy FSA Euro BB Bearings from Chain Reaction Cycles, the World’s Largest Online Bike Store.

2 Questions : 2 Answers

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Age: 18 to 24
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4 months, 1 week ago
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Answer: 
These bearings have the following dimensions -

31mm Outer Diameter
x
19mm Internal Diameter
x
7mm Wide
Attitude: On the up
4 months, 1 week ago
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I also want to double check the OD; is it 31mm?
Age: 35 to 44
Gender: Male
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2 months, 1 week ago
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Answer: 
O/D definitely 31mm, bought a set for my BB4000 BB that uses 19mm axle, but the O/D of the original bearings is 32mm. Very frustrating as I cannot find a replacement bearing part number or new BB to replace the original anywhere
Age: 45 to 54
Gender: Male
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2 months ago
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Wareham,GB
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