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Cup/cone bracket 116mm
#1
Hello all, I hope you can help me out here, I have a Jamis Beatnik single speed bike 2015

the cranks have a lot of play in them. I have tried tightening the lockring on the NDS as it was quite loose.

but it makes no difference at all. Do I need a new BB I was thinking of a shimano sealed cartridge type but

the actual spindle size of my bb 116mm and shimano don't do that size only 115mm or 118mm can you help?

also do I need to take of the cranks to tighten it properly?

many thanks if you can help?
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#2
you have to adjust bearing pre-load too, not just the lock ring. If you are going replace and go with a cartridge style, there are plenty of square taper to choose from in 116mm. does not have to be shimano brand. the 115mm shimano would be fine. However I prefer the cups to be alloy over plastic, not knowing what you are looking at or where you are from. one like this would be fine:
http://www.ebay.com/itm/FSA-Bicycle-Bottom-Bracket-Square-Taper-English-68x116mm-M8-Bolts-/400985138043?hash=item5d5c93a37b:g:UYUAAOSw~gRV3PQC

Just make sure you have the correct shell width.
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#3
(11-27-2015, 03:12 PM)painkiller Wrote:  you have to adjust bearing pre-load too, not just the lock ring. If you are going replace and go with a cartridge style, there are plenty of square taper to choose from in 116mm. does not have to be shimano brand. the 115mm shimano would be fine. However I prefer the cups to be alloy over plastic, not knowing what you are looking at or where you are from. one like this would be fine:
http://www.ebay.com/itm/FSA-Bicycle-Bottom-Bracket-Square-Taper-English-68x116mm-M8-Bolts-/400985138043?hash=item5d5c93a37b:g:UYUAAOSw~gRV3PQC

Just make sure you have the correct shell width.
Thanks for your help two last questions, what grease do u recommended to apply to the new BB and what tool I should use?
  Reply
#4
For bearing grease, any water proof grease such as Phil Wood ( costly) or boat trailer axle/bearing grease will work fine. As far as tools for the cup and cone with a lock ring, posting a picture of what you have will help (both sides). If you are going with a cartridge style, clean the threads well and apply grease to the shell threads (more is better than not enough). A standard Shimano Bottom bracket tool is all you need to assemble. (Park tool BBT-22). You may also need a crank puller (Park tool CWP-7).
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
  Reply


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