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Weinmann 215 rim and general 27 inch tire question

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Weinmann 215 rim and general 27 inch tire question

Old 10-29-17, 04:13 PM
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AJBK
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Weinmann 215 rim and general 27 inch tire question

Finally got around to swapping out wheels for my 1979 Schwinn World Sport. The original chrome ones look nice, but they're just a bit heavy...

At a bike coop, I got a couple replacement aluminum wheels. The front is a Araya and the rear is marked "Weimann Made in USA," "215 27/630." It's on a KK hub. Other than an eBay listing, I couldn't find any info online about the rim. Outer rim width is approximately 22mm. Can someone tell me more about it?

The front on the Araya 1-1/4, I'm using a Serfas Meo Pacer gumwall (marked 32-630). It looks right at home on the Araya. I then noticed something...I put my other bike next to it, the Serfas 27" tire's width looks identical to a 25-622 (700c).

On the Weinmann, is a Kenda gumwall (also marked 32-630), it's considerably wider...as if it's going to pop out of the rim when inflated.

Is either or both tire mis-marked..or just reflection of design and manufacturing variations?

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Old 10-30-17, 08:55 AM
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Can you take any pictures?

Different tires of the same nominal size can be way different in actual size. If the rims don't have hooked beads, make sure you don't pump up the tires over 70 psi or so, even if the tire sidewall says something like "Max 90 psi".
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Old 10-30-17, 01:07 PM
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Both are hook rims.

(See picturs) The Serfas measured 27mm across; the Kenda is 29mm.
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Old 10-30-17, 04:05 PM
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Originally Posted by AJBK View Post
Both are hook rims.

(See picturs) The Serfas measured 27mm across; the Kenda is 29mm.
Gotcha. That sort of thing used to be pretty common, but nicer tires at least are trending toward being "full-sized" again.

If that were my bike, I'd consider them both 28mm for inflation purposes and call it a day.

As a data point, I found Panaracer Pasela 27"x1-1/4" to measure right around 32mm. I highly recommend them!
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Old 10-30-17, 04:21 PM
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Thanks for the input. I spend more time on my Panasonic with 25-622, so anything wider feels "big." A real 32mm would make it very interesting to try
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