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PostPosted: Mon Mar 18, 2013 4:01 pm 
Retro Guru
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Joined: Mon Feb 14, 2011 8:25 pm
Posts: 506
Location: worksop
hi all, i fitted a brand new shimano xt hollowtech 2 bottom bracket to my fire eye build and less than 50 easy miles have been put on it and it has developed play on the drive side! has anyone else experienced this? or have i tightened something up too much? ideas welcome. :?


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PostPosted: Mon Mar 18, 2013 4:19 pm 
Gold Trader / MacRetro rider
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Joined: Thu May 06, 2010 10:05 pm
Posts: 5663
Location: Aberdeen
or not tightened something up enough?
is it the cups that have come loose? or do you think it's a bearing problem?


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PostPosted: Mon Mar 18, 2013 6:05 pm 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
Hollowtech 2 isn't supposed to have play, especially vertical play.

If anything was loose, you'd notice a gap between the frame and the BB's cup. Even then only play along the length of the axle (left to right and vice versa) would be possible.


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PostPosted: Mon Mar 18, 2013 7:56 pm 
Retro Guru

Joined: Mon Feb 01, 2010 8:57 pm
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You probably didn't push the drive side crank far enough into the BB - they can be stiff when new and a big rubber mallet comes in handy


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