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 Post subject: Chainset Advice (modern)
PostPosted: Wed Jul 02, 2008 4:51 pm 
Old School Grand Master
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Joined: Mon Nov 20, 2006 10:12 pm
Posts: 4444
Location: Barry
I'm after a new chainset for my road bike/commuter...
(at the moment I'm running a retro xt with biggish rings :oops: )
I have a XT hollowtech BB spare so I'm tempted to go for Shimano Hollowtech.
couple of Q's chaps any help greatly appreciated

Are MTB BBs compatible with road chainsets?
whats the difference in weight/ quality within the Shimano range?
Is my Shimano 8 speed chain gonna be compatible with a triple?

Ta



:)


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 Post subject:
PostPosted: Thu Jul 03, 2008 8:24 am 
King of the DuckBoard
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MTB bb tend to be wider. I'd stay away from new shimano BB. I use 2007 XT for going to work. A year old and needs replacing :evil: I'll replace it with Hope BB. When saved the money


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 Post subject:
PostPosted: Thu Jul 03, 2008 2:34 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
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Location: New Forest, UK
I'd go for a Campag square taper setup. The BBs are sub 10 quid and very durable, square taper chainsets are easily available NOS and the rings are very durable, waaaaay harder than Shimano.


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 Post subject:
PostPosted: Fri Jul 04, 2008 12:25 am 
Old School Grand Master
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Location: Barry
I've gone for a ultrega triple at £70 on CRC... got sucked in by the massive reduction haha

I'm not allowed Campag- my fear is that I'd buy a chainset and then I'd have to get everything else to match!

Chainset should come in the post tomorrow- I've yet to stick up pictures of the Harry Quinn- if I can get it all together b4 work will post some.


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PostPosted: Fri Jul 04, 2008 12:06 pm 
Gold Trader
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Are MTB BBs compatible with road chainsets?
Sometimes yes. Need to know which chainset you are thinking of.

whats the difference in weight/ quality within the Shimano range? Depends where in the range you are looking. Again more info please.

Is my Shimano 8 speed chain gonna be compatible with a triple?
Yes

Questions like this are my 9 to 5 job....


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 Post subject:
PostPosted: Fri Jul 04, 2008 12:09 pm 
Gold Trader
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tintin40 wrote:
I'd stay away from new shimano BB.


Well that's your perogative - but the new ones have better sealing.


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 Post subject:
PostPosted: Fri Jul 04, 2008 12:14 pm 
Gold Trader
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Location: Odense, Denmark
CTK wrote:
I've gone for a ultrega triple at £70 on CRC...


You might regret this.

You are likely to get front mech issues and you'll probably need a new BB too. XT ran on BBES71 or 51 which is not the same splines as BB6500 (you need longer 118mm version which is getting harder to find these days) and offset is different too.


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 Post subject:
PostPosted: Sat Jul 05, 2008 1:06 am 
Old School Grand Master
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Location: Barry
Thanks for that advice-well I shall have a fiddle tomorrow and see whats what...


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