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 Post subject: Front Derailleur
PostPosted: Fri Apr 23, 2010 1:48 pm 
Retro Guru

Joined: Wed Sep 19, 2007 10:43 pm
Posts: 270
Hi there,

I'd be grateful if anyone could please tell me what size band-on front derailleur I require for my 753 frame (SB7953). (I've become a bit paranoid about sizes, after my seatpost experiences).

Are there any lightweight front mechs thats anyone can recommend ? Will a modern mech such as the SRAM Rival or SRAM RED do the job ? (It would be for a double chainset).

I'd be using it with Simplex RetroFriction Shifters (non-indexed).

Thank you for any advice.


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 Post subject:
PostPosted: Fri Apr 23, 2010 5:40 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8222
Location: New Forest, UK
According to Tony Oliver's book, 753 are 28.6 OD.

Seat tube internal diameter is 27.5mm, so the very best standard of silver brazing will require a 27.4 seatpost, probably a 27.2 is more likely.

Personally for a light front mech I would go with Campagnolo.


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 Post subject:
PostPosted: Fri Apr 23, 2010 8:09 pm 
Retro Guru

Joined: Mon Feb 01, 2010 8:57 pm
Posts: 774
Old DT shifters will drive virtually any front mech - you can pick up a near perfect Super Record front mech for £25 on ebay which would got far better with your old 753 than a modern one.


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 Post subject:
PostPosted: Fri Apr 23, 2010 9:29 pm 
Retro Guru

Joined: Wed Sep 19, 2007 10:43 pm
Posts: 270
monty dog wrote:
Old DT shifters will drive virtually any front mech - you can pick up a near perfect Super Record front mech for £25 on ebay which would got far better with your old 753 than a modern one.


Thank you for the info.. I was considering a Suntour Superbe Pro front mech - would that be as good in your opinion ?


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 Post subject:
PostPosted: Fri Apr 23, 2010 10:48 pm 
Retro Guru

Joined: Tue Feb 23, 2010 1:56 pm
Posts: 1032
Location: West Yorkshire
Superbe Pro were beautiful mechs. I always wanted some when I had Super Record and IIRC were even lighter than SR. The trouble is they would look out of place with a classic Super Record chainset. A more rounded streamlined look is required with the Suntour mechs.

Oops I sound like a right fussy old g*t. I'll stop now....


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 Post subject:
PostPosted: Fri Apr 23, 2010 10:51 pm 
Retro Guru
User avatar

Joined: Thu May 17, 2007 2:23 pm
Posts: 991
Location: Hampshire
Keep it real :) Super record all the way!
Have you seen this group? http://groups.yahoo.com/group/ti_raleigh_team_pros/

Specialist in all things with SB frame numbers

Cheers


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