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First off I've certainly never built a wheel but I have tried the odd one. I recently noticed that since a change to high volume tyres the dishing on the rear wheel need adjustment (5mm or so).
In my simple head, it should be as simple as releasing the tension on the spokes on one side a little and compensating by tightening the other side to shift the dish.
I mentioned it to my LBS and they did a fair bit of teeth sucking and suggested it was a much bigger deal than that much muttering about individual spike tensions, "a few hours work" etc etc which put me off doing it myself but also spending a fair wad with them for wht seems to me to be a simple job.
Maybe I'm just being tight but I'd like to do it myself anyway so what is the collective opinion. Does my simple logic stack up or is my LBS genuinely trying to save from myself and not just bullshitting for a straightforward job.
It takes me circa 2- 3 hours to build a wheel not rushing whilst listening to music
NO idea why they take so long to dish- 30 mins ??? assuming you bring in a wheel with no tyre etc*
Basically you are correct however you need to get even spoke tension as well for both sides so its not tricky but it can go wrong
* take the tyre of as the wobble may be the tyre and it should be trued without a tyre on
Do it as you say but take your time and go quarter turn on the nipples, bit by bit and you will do it quite easily.
In theory, if you slacken every spoke slightly on one side and tighten every spoke slightly on the other side, it should adjust the dish. In practice, I tried that and it all went [i]completely[/i] to bollocks.
So I took it to a good shop, he fixed it while I waited and I almost had to use physical force to get him to take any money. Cheers Steve at Icycles!
Ok so in theory my solution is correct. I just need to be fairly circumspect while doing it. Small changes and all that.
Thanks.