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27" Rim Choices

Old 06-11-10, 07:03 AM
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27" Rim Choices

Hey Guys,
I'm replacing the rims on my Schwinn, the steel rims are very rusted. So, I'm rebuilding and polishing the Hubs, replacing spokes and rims. Which ones have a good service history?

Thanks,
Mike

Velocity "Twin Hollow" 27"

https://www.velocityusa.com/default.asp?contentID=592


Sun CR-18 27" 36 Hole

https://www.sun-ringle.com/contentpages/mtb/rims/xc.php5

https://www.ebikestop.com/sun_cr_18_2...hed-RM8486.php
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Old 06-11-10, 07:24 AM
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I know Alex still makes a 27" rim. Other than that, I'm not sure of anyone manufacturing a 27" rim. I try to find used rims from donor bikes or on CL. Among the more coveted rims are the narrow Araya or Rigida rims that are the same width as their 700C rims from that era. These rims also have true hooked bead edges so you can run really high pressure tires. Problem is, these are not easy to find. You might start with an LBS that caters to vintage bikes.
I know that All Star Bikes, in Cary, NC location, still sold 27 inch wheels (in stock) as of a few months ago. They might be able to provide you with rims.
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Old 06-11-10, 08:32 AM
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I would think the Sun CR-18 would be a good choice.

I have a set of these, bought over a year ago, waiting to be built up for an old Schwinn that I have. They seem to be decent quality and they are cheap.
https://www.nashbar.com/bikes/Product...1_10000_200320

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Old 06-11-10, 08:45 AM
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1+ on the Sun CR-18 if you want to spend the money. I have used Weinmann at Niagara Cycle

https://www.niagaracycle.com/product_...ducts_id=32110

Half the price, maybe half the value.

I also happened to have some Araya 20A in 27". Probably not what you are looking for because they are narrower then
most 27" rims.
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Old 06-11-10, 09:42 AM
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Another Sun CR-18 fan. Why not switch to 700c CR-18 if the brake pads will drop low enough to make full contact with the smaller rim? You'll have a lot more choices in rubber. My favorite all-around tire is the Michelin City in 700x32.
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Old 06-11-10, 01:13 PM
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+1 Wheel build time is the time to give a lot of consideration to 700c rims.

+1 I would use a donor set of 27 inch alloy wheels in the interim, and keep the Schwinn hubs in hand for the build.

I bought a donor Centurion bike, that kind of oddly came with Schwinn approved hubs, and nice Weinmann concave rims (27 inch, wheels were obviously not original to the Centurion). That makes a really nice vintage set up IMHO.

I can't take a picture that shows the concave well enough to get the effect, but they are pretty neat rims.

Here is the front, in as found condition (QR on the wrong side, bad tire, etc):




Last edited by wrk101; 06-11-10 at 01:23 PM.
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Old 06-11-10, 01:22 PM
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I run a set of Araya 27 1W aero rims on my Cooper road bike and as it is a racing bike that was built for 27's these look right on the bike... and these are as nice a 27 inch performance rim you could hope to find.

Also run some 27 inch Rigida blue labels on my Peugeot which are very nice rims but if they came equipped with a Peugeot, as mine did, will probably need to be re-spoked as the stock spokes were of poorer quality and they rate stainless.

The CR18 is bulletproof and extremely well made and has a classic look which suits older bikes... the only issue with 27 inch wheels is the limited tyre selection, especially if you want high performance tyres.
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Old 06-11-10, 01:24 PM
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++ on the Sun CR18, either 27" or 700C. You can get them in polished finish which is very attractive, if you're into shiny stuff (I certainly am). They're about 22mm wide which gives you a range from 25mm, or so, to 35to37mm, or so. They come true and round and are easy to build, center, and true -- even for a wheel building moron like me. TreeFort has them for about $25 -- which strikes me as very inexpensive for a strong, box rim. Yes, the Nashbar rims are half the price but 1. they're not polished and 2. they're not the same box construction as the CR18 and 3. they don't appear to have eyelets and 4. the Nashbar rims are Shrader (ugh) valve (though the CR18 in 27" may be as well.). But, a pair of Suns will run you about $25 more than a pair of the Nashar rims, so you have to decide.

You can tell that I'm a fan of the Sun rims. I recently bought a pair of the narrower M13 rims for a 1975 Falcon project that I am doing. Very nice rims, and cheap, too.
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Old 06-11-10, 01:32 PM
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So what is the verdict?

Does one keep the 27" wheel or convert to 700c?

I know the tire choice is better for 700c, but Conti do make a high performance 27" tire.
Are there others?
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Old 06-11-10, 01:40 PM
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Originally Posted by Sixty Fiver View Post
The CR18 is bulletproof and extremely well made and has a classic look which suits older bikes... the only issue with 27 inch wheels is the limited tyre selection, especially if you want high performance tyres.
Personally, I don't think I will ever build with 27" rims again, though we have a Raleigh Super Course MKII (1975 or 1976) that we may put back on the road and 700C wheels might be too small, I haven't checked for sure. 700c is just a better choice, given tire selection, presta valves drilling, "coolness", etc. But, there are still a wide selection of good tires available for 27" rims including Panaracer Pasela TG, Schwalbe Marathon, Continental Gatorskin. Thinnest seem to be about 1", but that makes sense considering that almost all 27" rims are 22mm wide (or so).

So, I agree that if there is no cost in going to the 700c (new brakes, or something), that's what I would do. But, if I already had a good supply of 27" tires or if there was a doubt about getting the 700c to work properly with the existing brakes, I wouldn't automatically dismiss the usefullness of the 27" rims. There are good tires available and, given the millions of 27" rims out there, they will probably be available for a long time. Sort of like the 650A.

edit: I have been told that when God made bicycle rims with Shrader valve drilling that he (or she, if you wish) realized right away that it was a gross mistake. But, correcting the mistake was too much trouble so He just made a bunch of people who liked it that way. For those who prefer Shrader valves, 27" rims may be a better choice than 700c.

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Old 06-11-10, 01:47 PM
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Originally Posted by stevegor View Post
So what is the verdict?

Does one keep the 27" wheel or convert to 700c?

I know the tire choice is better for 700c, but Conti do make a high performance 27" tire.
Are there others?
Both Schwalbe Marathon tires and Panaracer Pasela TG tires are available in 27" and, in my opinion, they are fine tires. If "high performance" means skinny, light, and fast, then no. You can't get high performance tires in 27". If high performance means durable, long-lived, puncture resistant, well made, and glow-in-the-dark (like the Schwalbes, sort of), then there is a decent selection in 27". Not as great as in 700c, that's for sure.

So, the answe is: if you can easily convert to 700c without cost, do it. If there is a premium to going 700c, it's a toss up.
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Old 06-11-10, 08:12 PM
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Originally Posted by desconhecido View Post
Both Schwalbe Marathon tires and Panaracer Pasela TG tires are available in 27" and, in my opinion, they are fine tires. If "high performance" means skinny, light, and fast, then no. You can't get high performance tires in 27". If high performance means durable, long-lived, puncture resistant, well made, and glow-in-the-dark (like the Schwalbes, sort of), then there is a decent selection in 27". Not as great as in 700c, that's for sure.

So, the answe is: if you can easily convert to 700c without cost, do it. If there is a premium to going 700c, it's a toss up.
Thanks.
I use one classic bike for training and hammerfests on wet days, it was made for 700c, (so is it a classic?)
My project bike has 27" Araya 1 1/4 rims with Suntour Superbe brakes, when I tried 700c those brakes struggle to reach properly. I want to use this bike for fast rides on dry days and maybe even a flat road race, so a decent tire would be nice considering everyone else is riding CF wonderbikes.
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Old 06-11-10, 09:37 PM
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Enough with the Shraeder bashing... on a narrrow rim a Presta makes better sense but on a reasonably wide rim a Shraeder valve a wider drilling does not cause any issue.

A 27 inch CR18 with Gatorskins is going to be a fast rolling and pretty bulletproof set up.
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Old 06-11-10, 10:43 PM
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Bought my second set of CR18 today I was so happy with the last set. I run 700x28 gators on the one bike and it has become my favorite summer bike of the lot. It just got the CR18's.
Borrow some 700 wheels for a test fit. Most bikes can wear them.

Velo Orange has a new house brand rim that is reminiscent of the polished Rigda and Araya rims that is also an option. The price they are asking for built wheels on 105 hubs is not all that bad either if you are paying somebody to replace the hubs you have onto new rims you are not going to be far off the built price of their rims. Just need to add int a $35 7 speed cassette or go for broke with a 9 or 10 speed cassette.
https://www.velo-orange.com/rihuandotwhc.html
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Old 06-12-10, 06:01 AM
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I've been debating keeping the 27" rims or going 700. I've spent a few days cleaning and polishing the Weinmann Vainqueur 999 center pull Brakes and the goofy Schwinn brake handles with "saftey levers". I'm sure they won't reach the 700 rims. Looks like I'm getting a set of sun rims and building the wheels. I'll take before and after pictures of the wheel build. They look pretty nasty right now but should clean up nicely.


Mike
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Old 06-14-10, 09:04 AM
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I'm restoring an '87 Voyaguer (full on touring bike). It has mismatched rims and they would need a complete overhaul. So, I'm going to build a new wheelset. I need help choosing between the CR-18 and the Velocity Twin Hollow. I want a 1 1/4" rim and want it to be polished. Is the Velocity polished or anodized?

Why am I not converting to 700c? Cantilever brakes. Pasela Tourguard tires are A-Ok with me.
Why not find donor wheels? I'm using this an excuse to put a dynamo hub on the front (I love my Shimano 3N80).

The freewheel is fine. What currently produced freewheel hubs are available at reasonable prices? Looking for Shimano 105 price/quality and polished or silver finish.
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Old 06-14-10, 11:32 AM
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Originally Posted by desconhecido View Post
Personally, I don't think I will ever build with 27" rims again
Personally, I find nothing wrong with 27", they fit a lot of the old frames better anyway and I have no problem finding good tires locally. The Sun rims, while not totally vintage looking are a good rim and a good value and probably come in Presta too. Nothing wrong with 700c either if they fit the frame... I've put Presta stems in Schrader holes for years, no big deal.

The Velo-Orange rims are really nice; built up a set recently on some Camp highflange...
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Old 06-14-10, 11:41 AM
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Keep checking ebay too. I havent ruled out 27" rims and saw a pair of NOS mavic MA2s for $60 shipped from austrailia.
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Old 06-14-10, 11:53 AM
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The Weinmann LP18 rims (in 27 x1) are really nice, go very well with a vintage bike and are less than $25 a piece new (and the best part, every LBS can order them, so you don't have to deal with shipping)

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Old 06-14-10, 07:39 PM
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Great info, doubleE,

Do you have a link to some more detailed photos? I'd like to assess how vintage looking they are.
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Old 06-15-10, 03:47 PM
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I have a Velocity 27" cassette hub wheel with their rim and it has held up well for about four years of occasional use which included mild trail riding.
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Old 06-15-10, 04:10 PM
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Originally Posted by old's'cool View Post
Great info, doubleE,

Do you have a link to some more detailed photos? I'd like to assess how vintage looking they are.
here they are mounted to a web-found fixified Astra Daimler. I think that they look really good on a vintage bike:



and the front rim on this web-found Centurion is one of those. The rear is a vintage Araya for reference:



Here they are in another application: on a web-found '69 Astra:


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Old 06-15-10, 04:31 PM
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I've switched all my 27" bikes over to 700C, the tire selection for 27" is still very limited, better rim selection too. If you're looking for bullet proof, Mavic a319 or Sun Rynolites are two of the best, IMHO.
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Old 06-15-10, 05:10 PM
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Originally Posted by desconhecido View Post
Personally, I don't think I will ever build with 27" rims again, though we have a Raleigh Super Course MKII (1975 or 1976) that we may put back on the road and 700C wheels might be too small, I haven't checked for sure. 700c is just a better choice, given tire selection, presta valves drilling, "coolness", etc. But, there are still a wide selection of good tires available for 27" rims including Panaracer Pasela TG, Schwalbe Marathon, Continental Gatorskin. Thinnest seem to be about 1", but that makes sense considering that almost all 27" rims are 22mm wide (or so).

So, I agree that if there is no cost in going to the 700c (new brakes, or something), that's what I would do. But, if I already had a good supply of 27" tires or if there was a doubt about getting the 700c to work properly with the existing brakes, I wouldn't automatically dismiss the usefullness of the 27" rims. There are good tires available and, given the millions of 27" rims out there, they will probably be available for a long time. Sort of like the 650A.

edit: I have been told that when God made bicycle rims with Shrader valve drilling that he (or she, if you wish) realized right away that it was a gross mistake. But, correcting the mistake was too much trouble so He just made a bunch of people who liked it that way. For those who prefer Shrader valves, 27" rims may be a better choice than 700c.
Yeah... 'cuz there are so MANY obvious advantages to having a finicky French valve over a simple German one. Oh wait... no there isn't. And with Shrader valves you can stop at a gas station and air up in an emergency.
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Old 06-15-10, 05:22 PM
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Originally Posted by Fasteryoufool View Post
Yeah... 'cuz there are so MANY obvious advantages to having a finicky French valve over a simple German one. Oh wait... no there isn't. And with Shrader valves you can stop at a gas station and air up in an emergency.
There are several advantages to Presta valves, with the main 2 being that a. they are less likely to lose air both on a ride or when stored than Schreder valves, because of their design and the fact that there is a lock for the air release and b. that they need a smaller hole drilled on the rim, which increases the rim's integrity. Other than that, if you are running Prestas and worry about gas station tire inflations, buy a Presta to Schreder adaptor. Costs about $1.00 and it is about the size of a dime. Much less space than the 3 quarters you would need to operate most gas station's air stations...
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