The wheelbuilding thread
Moderator: robbosmans
Forum rules
The spirit of this board is to compile and organize wheels and tires related discussions.
If a new wheel tech is released, (say for example, TPU tubes, a brand new tire, or a new rim standard), feel free to start the discussion in the popular "Road". Your topic will eventually be moved here!
The spirit of this board is to compile and organize wheels and tires related discussions.
If a new wheel tech is released, (say for example, TPU tubes, a brand new tire, or a new rim standard), feel free to start the discussion in the popular "Road". Your topic will eventually be moved here!
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Can someone help me with spoke length? I'm trying to build up a set of Flo 45 rims with Bitex RAF10/RAR9 (20/24). ERD is 548.4mm. Radial front and 2 cross rear.
I've tried plugging the numbers into different calculators online and I get differing numbers from all of them...
I've tried plugging the numbers into different calculators online and I get differing numbers from all of them...
- WinterRider
- Posts: 564
- Joined: Tue Feb 05, 2013 2:46 pm
https://leonard.io/edd/
Same math algorithms as calc.. more user friendly.. can input variations on the cross..nice for figure more complex lacings.
Same math algorithms as calc.. more user friendly.. can input variations on the cross..nice for figure more complex lacings.
Litespeed 2000 Appalachian 61 cm
Litespeed 1998 Blue Ridge 61cm
Fitness rider.. 1 yr from seven decades age.
That is my story and I'm stick'n to it.
Litespeed 1998 Blue Ridge 61cm
Fitness rider.. 1 yr from seven decades age.
That is my story and I'm stick'n to it.
HI again all builders ,
Question (sorry if it's been covered before): What ERD number do I use for Shimano internal nipples on a Shimano C75 tubular build ?
Do I have to add a few mm's to the ERD, since the spokes have to enter the rim more than a standard nipple ? By how many mm's ? ...
I use Spokalc spreadsheet.
Thanks !
Louis
Question (sorry if it's been covered before): What ERD number do I use for Shimano internal nipples on a Shimano C75 tubular build ?
Do I have to add a few mm's to the ERD, since the spokes have to enter the rim more than a standard nipple ? By how many mm's ? ...
I use Spokalc spreadsheet.
Thanks !
Louis
Hi folks, I would appreciate some help from you!
I got a set of Ritchey WCS Road Rim brake Hubs, new 'phantom flange' version, 20/24 holes. Lacing pattern, front radial, back radial/2 cross.
The set weighs only 68+218g, and I thought that I could make a same/similar wheelset to the Zeta II wheels this hub is actually made for.
Unfortunately there is no way that I can buy Zeta II rims (both asymmetrical), the nearest cousin seems to be DT rr411 / rr411 asymmetric.
My actual question is - Ritchey uses 44 DT Swiss New Aero spokes, the heaviest aero spoke they make for both Zeta II and much pricier Apex wheels, and probably with a good reason.
I have found those on special order for some 3 euro/piece, but I would rather pay a little less if that is possible.
Alternatives are:
- CN Aero494 as a direct substitute for New Aero only much cheaper and probably of much lesser quality
- DT Aero Comp as a middle road version, still very sturdy but lighter and much cheaper (around 1.59 euro/pice)
- Sapim CX-Ray - going down the lightweight route, but I am not sure if that isn't a dumb move, I weigh 85kg and the roads where I live are quite bad, I am not sure that ~1400g wheelset is a good choice for me.
If the price and weight of DT New Aero spokes would prove worthy in the long run, and make the wheels stay true and sound for a while I don't mind parting with the money, I just don't know if there is any real advantage vs Aero Comp spokes which should (in my humble opinion) do the same job.
Bike is a 2015 Canyon Ultimate CF, some 6.9kg with current Ksyrium Elite S set, not used for racing, I am too old for that now
What do you folks think? Thanks in advance!!!
I got a set of Ritchey WCS Road Rim brake Hubs, new 'phantom flange' version, 20/24 holes. Lacing pattern, front radial, back radial/2 cross.
The set weighs only 68+218g, and I thought that I could make a same/similar wheelset to the Zeta II wheels this hub is actually made for.
Unfortunately there is no way that I can buy Zeta II rims (both asymmetrical), the nearest cousin seems to be DT rr411 / rr411 asymmetric.
My actual question is - Ritchey uses 44 DT Swiss New Aero spokes, the heaviest aero spoke they make for both Zeta II and much pricier Apex wheels, and probably with a good reason.
I have found those on special order for some 3 euro/piece, but I would rather pay a little less if that is possible.
Alternatives are:
- CN Aero494 as a direct substitute for New Aero only much cheaper and probably of much lesser quality
- DT Aero Comp as a middle road version, still very sturdy but lighter and much cheaper (around 1.59 euro/pice)
- Sapim CX-Ray - going down the lightweight route, but I am not sure if that isn't a dumb move, I weigh 85kg and the roads where I live are quite bad, I am not sure that ~1400g wheelset is a good choice for me.
If the price and weight of DT New Aero spokes would prove worthy in the long run, and make the wheels stay true and sound for a while I don't mind parting with the money, I just don't know if there is any real advantage vs Aero Comp spokes which should (in my humble opinion) do the same job.
Bike is a 2015 Canyon Ultimate CF, some 6.9kg with current Ksyrium Elite S set, not used for racing, I am too old for that now
What do you folks think? Thanks in advance!!!
CN494 are great, I use them on the rear DS on a few wheels.
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- in the industry
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- Location: Glermsford, Suffolk U.K
- Contact:
DT rims are not available after market.
Louis the answer is always measure erd with the internal nipples.
For a 24 spoke rear you need a stiff rim at your weight. If it were me I would be using the kinlin xr31t and CX rays or the stiffer aero comps if you want a stiffer wheel. A shallower rim can be used if thicker spokes are used but the first option is better.
Louis the answer is always measure erd with the internal nipples.
For a 24 spoke rear you need a stiff rim at your weight. If it were me I would be using the kinlin xr31t and CX rays or the stiffer aero comps if you want a stiffer wheel. A shallower rim can be used if thicker spokes are used but the first option is better.
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I ended up using the Extralite website suggested method.
https://www.extralite.com/Products/meas ... %20SED.htm
Came just spot on.
Louis