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Tire Size
#1
I ride a hybrid with 700x38c tires . After getting a few thousand miles from the original tires , the rear one was getting very worn so I decided to replace it .

Ordered a replacement from Amazon a few weeks ago , but instead of sending a 700x38c , they sent me a 700x35c . Wanting to keep the front and rear tires the same size , I returned the 35c and again ordered a 38c . Today , the new tire arrived and again they sent me a 700x35c !!!!!!!

My questions are .... (1) will the 35c fit properly on the original rim that came supplied with the 700x38c tire and .... (2) should I be riding on two different size tires ?

I didn't really want to replace the front tire yet because it is not nearly as worn as the rear one was .

Thanks for any replies !
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#2
(01-03-2015, 12:58 AM)JBinNC Wrote:  I ride a hybrid with 700x38c tires . After getting a few thousand miles from the original tires , the rear one was getting very worn so I decided to replace it .

Ordered a replacement from Amazon a few weeks ago , but instead of sending a 700x38c , they sent me a 700x35c . Wanting to keep the front and rear tires the same size , I returned the 35c and again ordered a 38c . Today , the new tire arrived and again they sent me a 700x35c !!!!!!!

My questions are .... (1) will the 35c fit properly on the original rim that came supplied with the 700x38c tire and .... (2) should I be riding on two different size tires ?

I didn't really want to replace the front tire yet because it is not nearly as worn as the rear one was .

Thanks for any replies !
there is nothing wrong with running different size tires, some people do this on purpose for whatever reasons they may have. my best advice is if you have the same tire for the front and rear (not front/rear specific) keep them rotated as you would(should) your car and buy 2 at a time of what you want. yes the 35 will work on your rim. I know people that will run one brand on the back and a different brand for the front.
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#3
(01-03-2015, 01:31 AM)painkiller Wrote:  ...... I know people that will run one brand on the back and a different brand for the front.

Like me. My regular commuter has an Avenir (Kenda) 28-630 on the front and a Kenda Kwest 35-622 on the back. Interestingly, the front rim is 19mm inside width and the rear rim is 18mm inside width.

On my recently acquired PDG70, has just been fitted with a Nashbar 32-559 on front and a Kenda 40-559 on the back.

My GT has a Bell 47-559 on the front and a Kenda 40-559 on the back.
Nigel
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#4
+1 Nigel, that just about sums that up. Thats as mixed as one could get I would think.
What is the driving force that makes you do that? just curious and the OP might like to hear the answer to that also. Did I contend that you also have a bike with a larger tire on the front than the rear? (Your GT)
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#5
Hi Bob;

It started with the GT; Sheldon mentioned a larger tire on the front worked better off pavement sometimes. I originally choose the tires on the GT to be able explore some of the local gravel paths. The combination works well there, with only a little degradation on pavement.

Interestingly the PDG70 when I got it was equipped with 26x1.95 on the back and 26x2.15 on the front.

My current combination on the PDG70 is the same as what I rode during my three weeks in Concord MA in Sept. In fact it is the wheel I shipped to use on my friend Trek 930 that he lent me. I was worried about breaking spokes on the original wheel. He had it equipped with Nashbar 32-559 tires, removed the original wheel, and put in the one I shipped to him. The combo worked very well, even on dirt paths - as long as I stayed out of the mud.

My regular commuter (Schwinn World Tourist) - pavement only - had 32-630 front and rear. Then when the front wore out, I decided to try the 28-630 I had lying around. I like the handling after the change. More recently, the hub's bearing cups became rather worn and pitted (10K miles on ultra cheap hub, even regular re-greasing couldn't help), and became annoyingly noise. I respaced the frame from 126 to 135 to use the wheel that I originally built as a back up for our tandem, along with one of the Kenda Kwest tires that I had in reserve. When the 28-630 wears out or the front hub wears out, it will get the back up front wheel for the tandem, and probably a 28-622 tire.

For my weight, riding style (pavement), and the front to rear weight distribution, the 28/35 and 32/40 (note 4/5th ratios) seem to work well with equal pressure front and rear.
Nigel
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#6
Thank You for the replies .

They shouldn't get away with it but I'm tired of waiting for Amazon to send me the size I ordered (twice) , so I'll go with the 35c .

Appreciate it .
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#7
(01-03-2015, 04:06 PM)JBinNC Wrote:  Thank You for the replies .

They shouldn't get away with it but I'm tired of waiting for Amazon to send me the size I ordered (twice) , so I'll go with the 35c .

Appreciate it .
I would simply move the existing front tire & tube to the rear & put the new 35mm tire on the front.
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