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Old 11-06-09, 07:10 PM   #1
scozim 
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Araya 27 X 1 1/4" wheels

My son's '82 Raleigh has Araya alloy rims that say 27 X 1 1/4 on them. I'm changing the rim tape and started wondering whether the rim itself would fit a 27 x 1 1/8" tire. The rough measurements are 2 cm outside to outside on the rim and the inner measurement is roughly 1 cm. On the inner portion of the rim there are two numbers repeated three times 23 and 13 (with something in between but always hidden by a spoke end).

I'd love to get a little more pressure in the tires for him and the slightly narrower 1 X 1 1/8 might work but I don't know if it would seat properly on the rim.
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Old 11-06-09, 07:47 PM   #2
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Does your rim have a small hook on the inside edge? I have an older Araya rim and it does not have that hook and so I never increase the pressure beyond 80psi. Some say 70 is the limit.
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Old 11-06-09, 08:59 PM   #3
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My Fuji S12-s has Ukai rims stamped 27x1-1/4 yet came with 27x1-1/8 tires, so I'd think this would be OK.

I'm not home to look, but I'd think that the inside width must be greater than 1.0 cm? Looking at the wheel/tire sizing chart that the late Sheldon published, a single cm would be for a sub 1" width tire (extrapolation - off the chart). He shows a 1.5cm inner width being acceptable for a 32mm (1-1/4") thru sub 1" tire.
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Old 11-06-09, 09:26 PM   #4
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I had Araya rims like that and they were hookless. That limits your pressure.
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Old 11-06-09, 10:20 PM   #5
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Yes, you can put high-pressure 1 1/8" tires on 80's Vintage aluminum Araya rims.

I have done it on many of my bicycles and have bicycled tens of thousands of miles on them.

120 psi no problem.

Last edited by mike; 11-07-09 at 08:19 AM.
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Old 11-06-09, 10:40 PM   #6
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The rims do have a hook.

The max 90 psi crappy Kenda tires have been ok but I am looking to move up to some Bontragers that have a little less rolling resistance and take higher pressure.
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Old 11-07-09, 05:37 AM   #7
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Quote:
Originally Posted by scozim View Post
The rims do have a hook.

The max 90 psi crappy Kenda tires have been ok but I am looking to move up to some Bontragers that have a little less rolling resistance and take higher pressure.
I've been researching this lately, and you have a lot of choices if you have hooked rims. Panaracer Pasela Tourguard, Continental Ultra Gatorskin in 28mm or 32, and the Vittoria Zaffiro all seem to be good-riding tires that roll freely. The Pasela TG and the Gator have a pretty good rep for resisting flats.
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Old 11-07-09, 08:21 AM   #8
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The Araya aluminum rims were "OK", but engineering and design has come a long way since then. Depending on your weight, the Araya rims might not last that long. They were fairly weak to damage. One bad pothole, and you will have an out-of-round rim hardly worth trying to repair.

SO... There is a very real possibility that your tires will outlast the rims.
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Old 11-10-09, 09:58 PM   #9
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Quote:
Originally Posted by A.Winthrop View Post
.
Hi,
.
I respectfully disagree. Araya 20A 36-spoke 27x1 anything
are excellent quality and bullet proof. I've been riding
two sets since 2005. They were round and otherwise true when
I got them, installed OEM on two '84 Centurion Comp TAs
(Tange #2, all 8 tubes; Shimano 600EX), and remain so to
this day. I've only replaced their Suzue Sealed Tech hubs'
pitted cones (www.wheelsmfg.com). Their stainless spokes
and double eyelets look like new.
.
I also have a lesser set of Arayas, not sure what model
but alloy with single eyelets, that came OEM on an '87
Centurion LeMans RS (Tange #2; Shimano Light Action). This
bike has been used over rough roads and has hit more potholes
than it has spokes (36x2). They were round and true when I
got this bike in 2004 and still are. But these are 700C.
.
And, yes, you can put wider or narrower 27xwhatever tires
on these rims if they're from the '80s as they will have
hooks.
.
I have been riding every day, year 'round since 2003. Two
of my bikes have Araya 20A 27x1 rims (above) and two others
have Araya 20A 700c with Shimano 600EX hubs (36H). All are
giving me excellent service. I just got back from a 20-mile
run this morning on one set of Araya 20A 700c and I'll be
doing twice that with BF's JunkYardBike tomorrow on the same
wheelset. If I didn't trust them, I wouldn't be riding them
that far away from home.
.
The four Centurions I have with Araya 20As were near the top
of Centurion's lineup for their respective years. Wheelsets
generally matched in quality the OEM groupsets that adorned
a bike and the groupset on all these bikes is Shimano 600EX,
second only to Dura Ace.
.
Oh, one more thing. Check out what an Araya 20A 27x1
wheelset in excellent condition fetches on eBay. They don't
come up often but when they do, watch out! Some folks out
there apparently like them even more than I do.
.
Araya was a member of Japan Bicycle Manufacturers, the same
combine that includes Shimano, according to Frank Berto's
"Complete Guide to Upgrading Your Bike" (page 222, 1988
paperback edition).
.
Winthrop, your argument is so well written and so convincing that I start to question my own experience with the Araya rims! Well done.

Maybe I just weight too damned much. Anyway, I have some cool photos of Araya rims Taco-ed to show you. Of course, any wheel will Taco, but these are art they are so perfect.

I will confess that I do keep my eyes open for Araya replacement wheels on old junkers or being tossed out. I don't think the old Araya rims are as good as newer made rims, but they are cheap or free these days and you can't beat that!!

PS: Winthrop, when I start my next debate team, I want YOU on MY team! You rock, man.
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Old 11-10-09, 10:02 PM   #10
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Since the rims are hooked, I would have no problem going with higher pressure tires as others recommended.
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