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spoke count question for those in the know
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 2015-03-23 12:40 PM |
 111 |  Subject: spoke count question for those in the knowI am looking into a wheelset for my new (used) tri bike. I have found wheels I like however they are form different sellers. I wanted to get a staggered set (60mm front and 90mm rear) to help with front stability in wind. I have found a great option, but am concerned because the front I found is a 24 spoke and the rear is a 20 spoke. I would think I would rather have the reverse with a higher spoke count int he rear. I am 175 lbs if that makes any difference. Can someone give me their 2 cents on this? Are these wheels too deep regardless of spoke count? |
| 2015-03-23 1:38 PM in reply to: djmikula |
Member 1748    Exton, PA | Subject: RE: spoke count question for those in the know 60mm in front and 90mm in the rear is a common setup, they are not too deep. The spoke count is little strange because your buying from 2 different sources. Usually you would have less spokes in the front and more in the rear. I weigh a little less than you and have 30mm front and back with 18 spokes front and 24 spokes rear on my tri bike but I think my road bike is 16 front and 20 back. I do not have issues with either and would not expect you to either unless you generate huge amounts of power or like to sprint. |
| 2015-03-23 4:38 PM in reply to: djmikula |
Master 2855 Kailua, Hawaii | Subject: RE: spoke count question for those in the know do you have the model wheels that you are looking at ? I've used Zipp 404 (58mm depth) on the front for many windy races and haven't had much trouble controlling that. Anything deeper though I'd reconsider. As for rear, I run a Zipp 1080 (108mm) and that handles well in windy conditions. The drag depends mostly on the shape of the rim, type of spokes, also the tires. Typically the front will be a lower spoke count than the rear, of similar / same models. Attachments ---------------- spokecount.pdf (318KB - 0 downloads) |
| 2015-03-23 5:43 PM in reply to: djmikula |
Pro 5361 | Subject: RE: spoke count question for those in the know the issue here isn't the 60/90mm depth- that sounds good. Nor is it the 24 spokes on the front wheel. it adds a few grams of weight- but really, not much difference. the question is- 20 spokes on the rear wheel could be for a light rider only, or could be just fine for you (you're not a clydesdale). it depends on the rim (and hub, to a lesser degree, oh and the thickness/strength of the spokes). So, email whomever manufactures the rim, and ask them what their recommendation is for your weight and that wheel. Many deeper wheels are also stronger- so you could be fine. most likely- a 20 spoke 90mm rear, will be fine as a race wheel for you on reasonably smooth roads. If this is going to be a rough road training wheel, you might want to look elsewhere. |
| 2015-03-25 12:05 PM in reply to: morey000 |
Master 1433 Calgary, AB Silver member | Subject: RE: spoke count question for those in the know I wouldn't run 20 on the rear and I'm 160. Even 24 is meh and you'll be tru'ing it a lot more frequently. |
| 2015-03-25 2:24 PM in reply to: djmikula |
Extreme Veteran 717 Chicago, USA | Subject: RE: spoke count question for those in the know A couple of things, focusing on the rear wheel, because it usually takes much higher loads than your front wheel. If you're an average male, and go with a very low spoke count rear wheel, you will likely notice lateral wheel flex. Also, depending on the rim and the kind of roads your ride on, you may have to true the wheel a lot more often. But the wheel may work for you. However, another concern is how a low spoke count wheel behaves when a spoke breaks. The wheel will go immediately out of true, but generally low spoke count wheels go out of true to a much bigger degree. Enough to immediately start rubbing on your brake bads or, in a really bad case, even lock up the wheel. So generally you want more spokes on your rear wheel. |
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