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Old 11-14-10, 02:28 PM   #1
tucsonrider
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What tire to use on 1986 Raleigh Technium??

I just bought a mint condition 1986 Raleigh Technium at a swap meet yesterday. It has the original tires and tubes so I would like to get some new ones. In the '86 catalog it does not state the size. I took the tire off and the tube says, "IRC 27x1, 27x1 1/8, 700Cx25, 700Cx28" does this mean I cannot use 700Cx23 tires and tubes? I saw a set of 700Cx23 Continental Gatorskins with tubes on craigslist for a deal so I was hoping I could use them. Bear with me im kinda new to all of this. Here is a pic of the tube:

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Old 11-14-10, 02:33 PM   #2
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On my 1985 Raleigh Prestige that I just got, I am getting a set of 700x23 tires for it. In fact, on my 1985 Raleigh Competition, and my two 1979 Raleigh Competitions, I got 700x23 on all of them..

The ones off CL, are they new, the color scheme you want???

I like the white strip in all my tires, ebay got some good ones that run the gamut in prices from $30 a pair on up..
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Old 11-14-10, 02:40 PM   #3
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Your wheels are probably 27 inch, unless they've been replaced with 700c. Take a look at your tires---they are probably 27 X 1/18 or 27X 1/14.
The 700's your looking at on Craigslist require a 700c wheelset.
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Old 11-14-10, 03:01 PM   #4
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To cehowardGS:
I havent seen the tires yet. They are described as 7.5/10 and come with tubes for $20. They should go ok with the bike even thought I would prefer a black sidewall.

To Whit51:
The tires are way to dry rotted to read anything off of. I was told to look at the tubes to find the tire size which has not proven to be helpful.
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Old 11-14-10, 03:44 PM   #5
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I just figured out that they are 27" rims with 7/8" tires which seem to have gone extinct. Crap
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Old 11-14-10, 03:47 PM   #6
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I just figured out that they are 27" rims with 7/8" tires which seem to have gone extinct. Crap
Nope:
http://compare.ebay.com/like/1805804...=263602_304692
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Old 11-14-10, 03:51 PM   #7
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Yea $90 for old tires is kinda out of my budget right now
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Old 11-14-10, 04:15 PM   #8
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YOu can get 27 X 1" from Performance for around $10 each. I use their low end tires on my 27" rims and have been very satisfied for the price. Yes, Pasellas are probably better, but they cost more.
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Old 11-14-10, 04:26 PM   #9
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This poor fellow lives where goathead thorns come into play. I think he's going to hope for 27" AND armor plated.
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Old 11-14-10, 07:04 PM   #10
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Huh?

I think I'll just convert to 700. They fit and I wont need new brakes or anything.
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Old 11-14-10, 07:18 PM   #11
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Here's a good primer on tire sizing: http://www.sheldonbrown.com/tire-sizing.html

You can change widths of a tire depending on frame clearance and rim width. I'd suggest 27 x 1 1/4" if you can for best comfort (but be sure frame clearances allow). 27 x 1" varieties can be very narrow, and I can't even imagine 7/8"! Unless you're into narrow, high pressure tires...

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Old 11-14-10, 07:58 PM   #12
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I had a 1986 Technium 440 that past through my hands, I recall it came with 27 x 1 1/8" tires. If your tires are too dry-rotted to read their sidewalls, then inspect the rim. May say the size on a sticker or stamping.
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Old 11-14-10, 08:08 PM   #13
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I suggest that you don't take any more advice from the person that told you to get the tire size from the tubes.
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Old 11-14-10, 11:13 PM   #14
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Im riding on 27x 1 1/4 now on my other bike. I was looking for something smaller/faster/lighter but oh well.
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Old 11-15-10, 08:59 AM   #15
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Quote:
Originally Posted by tucsonrider View Post
To cehowardGS:
I havent seen the tires yet. They are described as 7.5/10 and come with tubes for $20. They should go ok with the bike even thought I would prefer a black sidewall.
Correct me if I am wrong, you just landed a MINT 1986 Raleigh, correct?

Even with me being a newbie, I am quite sure that that bike came with 700c wheels.

With that in mind, and you got some off size wheels on the bike, I would go with a set of NEW 700c wheelset for around $100 to $120, and a set of tires between $30 and $50 on ebay. I am talking new stuff here too. I

In my humble old opinion, I think the Raleigh deserves, especially if she is Mint!!

I just got a mint 1985 Raleigh Prestige, the wheels got dings, and the tires are UGLY. I am getting a set of new, sharp looking wheels off ebay for $120, and spending $30 to $50 for tires, then no more worry about wheels and tires, and they be looking SHARP too.
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Old 11-15-10, 09:33 AM   #16
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Yes, Techniums came with 27 inch wheels.
On another subject, no one has cautioned the OP about purchasing 700 C wheels with 130MM 8/9/10 speed spacing between the dropouts. I admit I've never tried it, but there were all kinds of postings some time ago cautioning owners of those aluminum/steel glued/bonded frames NOT to try to increase the spacing. I'm not just referring to not cold setting, but to forcing a 130 wheel into the existing 126mm space. I've never tried it, but did notice the warnings because I've had at least 4 bikes (two Raleighs, two Univegas) that I had with those frames. Supposedly the stress on the stays translates to the main tubes and it can cause cracking of the bonding. I can't say one way or the other if this a valid concern. But there have been enough caution statements made on this and other forums that I bring it up here so the OP is at least aware of this concern.
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Old 11-15-10, 09:48 AM   #17
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Quote:
Originally Posted by roccobike View Post
Yes, Techniums came with 27 inch wheels.
On another subject, no one has cautioned the OP about purchasing 700 C wheels with 130MM 8/9/10 speed spacing between the dropouts. I admit I've never tried it, but there were all kinds of postings some time ago cautioning owners of those aluminum/steel glued/bonded frames NOT to try to increase the spacing. I'm not just referring to not cold setting, but to forcing a 130 wheel into the existing 126mm space. I've never tried it, but did notice the warnings because I've had at least 4 bikes (two Raleighs, two Univegas) that I had with those frames. Supposedly the stress on the stays translates to the main tubes and it can cause cracking of the bonding. I can't say one way or the other if this a valid concern. But there have been enough caution statements made on this and other forums that I bring it up here so the OP is at least aware of this concern.
Ha, I was in over my head on saying that "they came with 700c wheels"... I see now they came with 27 wheels.

My bad.. Such are the ways of a newbie!!
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