Neuvation Rim Replacement
08-02-14, 09:07 AM
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Neuvation Rim Replacement
I don't post much in forums as I'm usually able to answer my own questions through searching. However, when it comes to wheels I get lost fairly easily. I recently bought a used bike that came with a Neuvation wheelset. Unfortunately when I went to rode it the first time I noticed that the rear wheel was out of true. Upon further inspection I noticed cracking in the rim around most of the nipples, a few cracks being pretty severe. I'm trying to get away with replacing the rear rim only for now and I'd like to order a replacement that will work with my existing 20 hole hub and spokes. Since Neuvation recently closed it's doors, I'm looking at other options. The wheels appear to be r28's, which have a rim depth of 27mm. I verified the rim depth on my wheel with my calipers. Would a 20 hole Kinlin xr270 rim work since it also has a room depth of 27mm, or do I need to know the exact erd of the rim I'm replacing.
08-02-14, 05:02 PM
#2
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You could measure your existing spokes and then use one of the online spoke calculators to find a rim that'll work.
For 20 spokes, I'd just get new, instead of tying my hands on possibly a limited? rim selection.
For 20 spokes, I'd just get new, instead of tying my hands on possibly a limited? rim selection.
08-02-14, 07:53 PM
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i would measure, or research, ERD of rim you have and buy one with same ERD.
08-02-14, 08:06 PM
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You could contact John Neugent at his new business Contact Us since he is still providing some warranty support for Neuvation wheels.
08-02-14, 08:13 PM
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Thanks for the comments. If it comes down to it, I'll buy new spokes. I'm just trying to keep as much of the wheel original and avoid buying unnecessary parts. I'll likely replace the wheelset in the future, but for now I need to get the bike back on the road.
I tried to research the erd, but info on Neuvation is somewhat lacking and the fact that the company is now out of business doesn't help. In order to get an accurate measurement myself, I'd have to disassemble the wheel. I'm just looking for an easier way.
I tried to research the erd, but info on Neuvation is somewhat lacking and the fact that the company is now out of business doesn't help. In order to get an accurate measurement myself, I'd have to disassemble the wheel. I'm just looking for an easier way.
08-02-14, 08:15 PM
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You could contact John Neugent at his new business Contact Us since he is still providing some warranty support for Neuvation wheels.
08-02-14, 09:00 PM
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Otherwise, you can use any rim withe the right number oh holes to match the hub. matching the ERD will greatly limit your choices, possibly to zero, so new spokes will likely be needed.
Given what you have and the cost of saving it, a new wheel outright may be the smart move.
Given what you have and the cost of saving it, a new wheel outright may be the smart move.
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08-03-14, 01:25 AM
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Well, personally I wouldn't try it w/o knowing how the current spokes sit in the nipples and the specs of the rim.
ERD is a tricky customer, as it can be both a geometric feature of the rim, and a virtual point in space to aim for when building. Rim manufacturers tend to give it as the surface where nipple meets rim, while builders tend to give it as the diameter where the spokes end.
I've had good luck by measuring the hubside diameter of the rim, then removing a single spoke (or measure through the valve hole) to measure wall thickness, then adding whatever deemed required to get good spoke/nipple overlap.
ERD is a tricky customer, as it can be both a geometric feature of the rim, and a virtual point in space to aim for when building. Rim manufacturers tend to give it as the surface where nipple meets rim, while builders tend to give it as the diameter where the spokes end.
I've had good luck by measuring the hubside diameter of the rim, then removing a single spoke (or measure through the valve hole) to measure wall thickness, then adding whatever deemed required to get good spoke/nipple overlap.
08-03-14, 09:05 AM
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Thanks for all the help. I contacted John Neugent so we will see where that goes. If all else fails I'll just order a new rim and plan on replacing the spokes.
08-03-14, 09:26 AM
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Even if you build it yourself, a new rim and spokes can be as much or more than a new wheel. Plus you mentioned wanting to get this back on the road ASAP.
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
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08-03-14, 09:46 AM
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I don't post much in forums as I'm usually able to answer my own questions through searching. However, when it comes to wheels I get lost fairly easily. I recently bought a used bike that came with a Neuvation wheelset. Unfortunately when I went to rode it the first time I noticed that the rear wheel was out of true. Upon further inspection I noticed cracking in the rim around most of the nipples, a few cracks being pretty severe. I'm trying to get away with replacing the rear rim only for now and I'd like to order a replacement that will work with my existing 20 hole hub and spokes. Since Neuvation recently closed it's doors, I'm looking at other options. The wheels appear to be r28's, which have a rim depth of 27mm. I verified the rim depth on my wheel with my calipers. Would a 20 hole Kinlin xr270 rim work since it also has a room depth of 27mm, or do I need to know the exact erd of the rim I'm replacing.
08-03-14, 10:16 AM
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Update: John Neugent got back to me within hours on a Sunday about replacing the rim. For less money than it would be to replace the rim with a Kinlin, he is willing to swap the back rim for me. He will be using one of his newer style rims with the internal washers to prevent cracking while reusing both the hub and spokes. I'm going to go that route. Thanks again to everyone, especially SlowJoeCrow for John's contact info. I've read a good deal about his customer service, but I wasn't sure where to go or what to expect since Neuvation as a brand was no longer around.
