bb spacing and query

Anonymous

i have some hones on my msisle, i've had them for about 9 months and were fitted by my LBS. All of a sudden they have began to creak, im guessing this is the BB, there is no lateral movement yet but should it need replacing? - what is the usual lifespan of the hollowtech 2 BB?

also i think i have a 73mm bb shell however there are 2 spacers on the nondrive side. from the wear on the crank interface splines it looks like i could take ones of the spacers off.

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nicklouse

was it faced? are the cups tight? does the preload need adjusting?

give them a service.

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Anonymous

When being fitted i did asked for them to face the bb shell - weather they did or not, i don't know.The cups seem tight, they don't move/unscrew by hand. how would i know if the preload needs adjusting - shall i tack it up slightly less?

i've just read through park tools and it says there should only be one 2.5mm spacer on the non dirve side with a 73mm bb, - i don't have the bb, shall i take it back to the bike shop and get them to sort it.

edit:after looking at the bb shell, it does appear to be faced.

Edit 2: What do you think about the wear on the splines, you can clearly see where they havn't met the axel interface. http://s143.photobucket.com/albums/r124 ... 000001.jpg

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ride_whenever

doesn't look like they were fitted correctly, were they definately on all the way? Looks like the drive side wasn't pushed all the way through when the non-drive side was fitted, but that would have slid and creaked all over the place.

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Anonymous

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by ride_whenever</i>

Looks like the drive side wasn't pushed all the way through when the non-drive side was fitted


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due to there being an extra spacer on the bb. i have a 73mm BB and the shop put 2 spacers, i read parktools and it said fit only 1 spacer with a 73mm bb shell. this would have caused the drive side not to be pushed all the way through, i think.

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ride_4_lyf_

alright rob. i have 2 spacers, so that means i have to take one off?

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Anonymous

is your BB shell 68mm or 73mm across?

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rubber side up

I would be mighty upset with the person who fitted that. As theres only supposed to be one spacer for a 73mm bb.

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ride_4_lyf_

um i think its 73mm

http://www.pinkbike.com/photo/1286586/

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Anonymous

i think we (me and ride 4 lyf) should go back to PCS, show them the instructions and demand for them to sort it out.

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