Framebuilders - 7 Speed to 10 Speed Frame Conversion
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cankiwi6
12-02-07, 11:46 AM
I have an older steel (Reynolds) frame that I want to modify to take 9 or 10 speed hub/cassette. How difficult or practicable would this be ? It is a nice Holdsworth Mistral touring frame circa 1974.
Any comments, suggestions, ideas appreciated
Scooper
12-02-07, 01:44 PM
Not at all difficult. You should be able to easily cold set the rear triangle for 130mm dropout spacing by following Sheldon's instructions (http://sheldonbrown.com/frame-spacing.html).
I am thinking of having this done for my old 126 mm rear triangle but am reluctant to do it myself....how much should the LBS charge for this service? Like 25 bucks?
velonomad
12-06-07, 06:13 PM
around $50 is the going rate for a shop to respace and realign a rear triangle on a bare frame. Double the money if you bring them an assembled bike.
Homebrew01
01-09-08, 02:16 PM
You don't have to have your frame cold set (permanently bent). You can do what I do with my old Cannondale, just leave it as is, and spread the dropouts the tiny bit required when you insert the rear wheel. If you hardly ever take off the rear wheel, than it's hardly worth the convenience of having it done.
Indolent58
01-09-08, 02:23 PM
You don't have to have your frame cold set (permanently bent). You can do what I do with my old Cannondale, just leave it as is, and spread the dropouts the tiny bit required when you insert the rear wheel. If you hardly ever take off the rear wheel, than it's hardly worth the convenience of having it done.
+1. I have run 130mm wheels in 126mm dropouts without cold setting on two bikes with no issues whatsoever.
Scooper
01-09-08, 03:05 PM
The OP says it's a '74 frame, which more than likely makes the dropout spacing 120. Stretching from 120 to 130 every time you slide your wheel in gets to be old very quickly.
Homebrew01
01-09-08, 04:15 PM
The OP says it's a '74 frame, which more than likely makes the dropout spacing 120. Stretching from 120 to 130 every time you slide your wheel in gets to be old very quickly.
Yes, it could get old. I guess the answer depends on the bike usage. If it only gets removed for flats, then no big deal. If you take it off everyday to put in your car, then it will be a PIA. Try it without coldsetting first, then decide if you want to spend the money (or effort)