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PostPosted: Tue Jul 02, 2013 12:40 pm 
Retro Guru

Joined: Mon Jun 06, 2011 12:28 pm
Posts: 283
Location: Bexley
I intend to run a shimano DX front derailleur (bottom pull) with a STX RC tripple crank. Sheldon Brown's website says a 110 / 113 bottom bracket would do the trick (fitting wise for the STX RC crank). However my question is do I need to take into account the DX derailleur I intend to use when opting for the 110 or the 113 shimano bottom bracket. Or will it not matter? If anyone has any experiance running a similar set up please let me know your thoughts on the matter.


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PostPosted: Tue Jul 02, 2013 4:18 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8219
Location: New Forest, UK
You should be fine. You don't say the thickness of the seat tube - if it's 34.9 then go with 113 definitely.


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PostPosted: Tue Jul 02, 2013 4:54 pm 
Retro Guru

Joined: Mon Jun 06, 2011 12:28 pm
Posts: 283
Location: Bexley
hamster wrote:
You should be fine. You don't say the thickness of the seat tube - if it's 34.9 then go with 113 definitely.


Seat post is a 26.6 so would you still go with a 113 or would a 110 make a neater job? The seat post clamp is a 30.6mm btw.


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PostPosted: Tue Jul 02, 2013 5:50 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8219
Location: New Forest, UK
Hmm, with a fat seat tube (sounds like an aluminum frame) I would play safe and go for 113. The front mech otherwise not be able to shift onto the inner chain ring.


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PostPosted: Tue Jul 02, 2013 7:08 pm 
Retro Guru

Joined: Mon Jun 06, 2011 12:28 pm
Posts: 283
Location: Bexley
hamster wrote:
Hmm, with a fat seat tube (sounds like an aluminum frame) I would play safe and go for 113. The front mech otherwise not be able to shift onto the inner chain ring.

It is actually a steel frame, but I think I will go for the 113 anyway as just seems to me like the safer option. Thanks for your responses though, it's much appreciated.


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PostPosted: Tue Jul 02, 2013 11:37 pm 
Old School Grand Master

Joined: Tue Jul 05, 2011 8:42 pm
Posts: 3194
I doubt it will matter


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