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Hi i currently have the Cube Attain sl - Shimano 105 FC-5800 - 172.5mm - It makes a dreadful squeaking noise when putting effort on the pedal stroke, especially while climbing and is at it worst when on the small chain ring at the front - i have tried to eliminate it via looking at other issues, but i am 99% certain it is the BB - I have looked on some facebook groups and many have made some suggestions, such as the praxis works BB (but there a few and i am unsure which i need) also someone mentioned the "wheels manufacturing BB" and again there seems to be different types and i am unsure which i would really need.

 

Could anyone please help with the purchase of the correct BB - From those two models please??

 

Thanks very much.

5 comments

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CXR94Di2 [2114 posts] 9 months ago
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If your bike has press cups and bearings are inside then this one will do

http://wheelsmfg.com/bottom-brackets/pf30/pf30-bottom-brackets/pf30-thre...

Check out their website if your bottom bracket is different. Quite easy to follow pictures. Hollow tech 2 has 24mm spindle

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Damian99 [2 posts] 9 months ago
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Hi i currently have this type of BB in the bike - seems to be an 86.5mm shell? Which BB would i need then please? As i really don't wanna keep this type of BB on the bike and would rather go with the Wheels Manufacturing or Praxis - i am just unsure which of those BBs i would need?

 

https://www.merlincycles.com/shimano-bb72-41b-press-fit-road-bottom-brac...

 

Thanks 

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The _Kaner [1165 posts] 9 months ago
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Token Ninja 5 in 1 - look on eBay
This will be suitable.

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Damian99 [2 posts] 9 months ago
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Thank you - after some further research that is the one i have purchased - thanks again

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CXR94Di2 [2114 posts] 9 months ago
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Take a photo or two of the bottom bracket from each side and post back