Bicycle Mechanics - Rim Help
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03-30-09, 12:35 PM
Hi guys I have a bike issue and figured this would be the most best place to ask people who know what they are talking about. Anyway, a mover tipped a door onto my 05 allez (base model whatever it was called) and bent the crap out of the wheel. Where would be a good place for me to order a new one and what should the price range be approximately? I have no idea what the going rate for a bike rim is so I thought id ask before I get taken.
The markings on the rim say Alex Rims DA16 and im running 700 x 23c tires on it if that helps.
Thanks for any help in advance
03-30-09, 01:00 PM
was it rear wheel or front wheel? that makes a difference, front wheels tend to be cheaper.
either way, you have two options:
1. re-build the wheel with a new rim. When rims are bent from a single catastrophic event, spokes are usually fine, so if you rebuild the wheel you can use the same spokes unless you have reason to believe the spokes are otherwise fatigued (e.g, you've broken some spokes at random recently - this is likely only with the rear wheel). you'd need to find a rim with the same ERD (effective rim diameter, basically a measurement of the depth of the rim with deeper rims having a smaller effective diameter and thus requiring shorter spokes). Easiest way is to tape your new rim to the old one, and move the spokes over one-by-one (they're already laced properly) and then bring the wheel up to tension. This depends on whether you know how to true or tension a wheel, or want to pay a shop to do it for you.
The Alex DA16 is listed on Alex' website as having an ERD of 597mm.
You can download the spokecalc spreadsheet (http://www.sheldonbrown.com/rinard/spocalc.htm), which has a database of rims and their ERD. Sort in excel and look for 700c rims with an ERD of 597mm.
2. buy a new wheel. this may be cheaper and easier, and is definitely the best way to go if the bearing races on your hub are already pitted.
03-30-09, 01:01 PM
Is the mover going to pay for it? If all you want is to have the wheel replaced then get a bike shop to give you an estimate and order it for you.
03-30-09, 02:35 PM
A new wheel will typically cost between $50-150 depending upon model. Trying to fix a damaged one may actually be more than that depending upon how badly damaged and what parts needs to be replaced. I would also have the frame alignment checked too. It takes A LOT of force to tweak a wheel out of true permanently and some of that force may have impacted the frame as well.
03-30-09, 02:48 PM
Thanks for the help guys its the rear wheel. The rim only has about 2k miles on it but Id just as soon just buy a replacement. Is there a place I can bust out the credit card and order a rim online? The nearby bike shop is full of idiots and I would just as soon order it off the internet and have it tuned up at home.
03-30-09, 02:51 PM
One other thing, Im the type of person that usually upgrades something when it breaks. Is there a reasonable upgrade I should be looking at? I love my bike the way it is er was, but if theres a better rim out there thats not 300 bucks a pop Ill go that route. Thanks again.
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