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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!"
  Reply
#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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