Found some rims in a shop. Says nobody wants sew-ups
08-28-22, 07:30 PM
#26
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@ SJX426 Got any Nisi Sludi 320s in there? I'm down one from a black cat almost crossing my path...it was bad luck for both of us.
Last edited by dswest; 08-28-22 at 07:35 PM. Reason: Add more
08-31-22, 11:55 AM
#27
Learning To Fly
...that's a pretty accurate statement where I live. If you actually have some tubular rimmed wheels and tyres, it is handy to have some spare rims to store your spare tyres on, while awaiting their turn in service. I find that when I construct wheels, I'm going in the direction of replacing a tubular rim set with a modern box section rim, on the same hubs.
09-01-22, 06:53 AM
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How important are looks and the vintage aspect to you? There are new wheels available that resemble vintage wheels, so that is an option. You can also have a set built around the existing hubs. Shops will probably charge $50.00 per wheel for the build (plus or minus) and then the cost of spokes, rims, rim tape, and any other materials which are used.
09-01-22, 10:18 AM
#29
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Those Record Du Monde are the 11 oz ones, the Medalle d' Or 9 oz. ones are the ones to avoid unless you're really a light-weight rider. They should be perfectly useable. If I were dead set on them, I'd pay as much as for a comtemporary rim, like $50 each, even though others probably wouldn't. Three or four bottles for the pair, I say.
09-01-22, 06:17 PM
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09-01-22, 07:06 PM
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Because back in the old days there weren't tubulars so you put the tube inside the tire glued and sewed it up with heavy silk thread then glued it to the rime. This was the way a lot of race tires were done bike,, motorcycle, and race cars from the 1920's till the mid 80's. While it seems odd if done right it will give 10-20 % performance boost . So as said in un classed racing some racers still run sewup's or modern tubulars where the tire and tub are made as one piece.
Last edited by zukahn1; 09-01-22 at 07:15 PM.
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09-02-22, 09:28 AM
#32
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Edit: If you look at the link, you'll see also the CR 18, that is a slightly wider and slightly heavier rim. Some people like those, because they want wider tires. Mavid makes and sells a lot of rims, but hthey cost much more, like the open pro and open elite models. Even Velo Orange sells box section rims that someone makes for them. If price is no object, look for one of the rims made by H plus Sons. Availability on all thee has been spotty since the big supply chain disruption from Covid.
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Last edited by 3alarmer; 09-02-22 at 09:43 AM.
09-02-22, 10:02 AM
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Tubular tyres (or sew-ups, as they were often called, due to their entirely encased design with the inner tube sewn inside the cylindrical tyre) were the only option for serious racing. They were lighter, faster and more comfortable than the alternatives. During road races riders had to carry a spare wrapped around their shoulders (in that familiar crossed manner) in case of a puncture, as fixing a flat was certainly not something to be undertaken at the roadside. It required a needle and thread plus a whole lot of patience and time to first pick away the stitching under the base tape, then pull out the tube and find and repair the hole, before finally sewing everything back up.
09-02-22, 03:14 PM
#34
Learning To Fly
Thanks for the explainer!
09-02-22, 03:21 PM
#35
Learning To Fly
....you want a modern, box section rim, that looks appropriate, and that you can find for sale in the same drilling number as your hubs. Also, you want something relatively inexpensive (usually). I have used various rims according to availability (which varies). But you can usually find Sun M 13 ii rims for sale in either 32 or 36 hole versions for reasonable prices online. If you're going to get someone else to build your wheels, ask them before you order anything. They might have a preference or some sort of special deal going where they get a better price buying bulk.
Edit: If you look at the link, you'll see also the CR 18, that is a slightly wider and slightly heavier rim. Some people like those, because they want wider tires. Mavid makes and sells a lot of rims, but hthey cost much more, like the open pro and open elite models. Even Velo Orange sells box section rims that someone makes for them. If price is no object, look for one of the rims made by H plus Sons. Availability on all thee has been spotty since the big supply chain disruption from Covid.
Edit: If you look at the link, you'll see also the CR 18, that is a slightly wider and slightly heavier rim. Some people like those, because they want wider tires. Mavid makes and sells a lot of rims, but hthey cost much more, like the open pro and open elite models. Even Velo Orange sells box section rims that someone makes for them. If price is no object, look for one of the rims made by H plus Sons. Availability on all thee has been spotty since the big supply chain disruption from Covid.
