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Old 05-20-14, 01:05 PM   #1
byhsu
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Need some help with some tires on my folder

the bike i have now



would like a tire that has some tread but has less rolling resistance than what it presently has. My tires are 20x1.35.

so far I am considering the Continental Contact ii or Schwalbe Marathon Racer.

Thank You

Last edited by byhsu; 05-20-14 at 01:13 PM.
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Old 05-20-14, 01:32 PM   #2
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well..... The Tires on the KHS are OEM tires and probably no all that great.
You want less rolling resistance and thread...
and have a 1.35 tire on it ...

Now... rolling resistance is mainly a product how the tire is built and how much air you can put into it ..
at least by "feel" the narrower the better, but thats not always true either, as the Big APples are HUGE but offer quite a good compromise in low resistance ... it depends on the airpressure ...
Least rolling resistance are the super expensive Schwalbe Ultremos with 110 lbs of pressure and skinny 20 x 0.9 ...
the racer isa good all around tire but its wider than the ones you have now ... 1.6 ...
The Kojaks are nice as they are good rolling and have a good rubbercompound to hold the road...
but no thread ..

Thread is HIGHLY over rated anyhow as only a dime of the tire will have contact with the road, thread will do nothing unless u ride in snow or mud ...

The Surpremes are well built with good grip and good protection and are usually also pretty expensive with the exception of .....

thor
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Old 05-20-14, 01:38 PM   #3
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i don't mind going with a wider 1.5 or even 2" wide tire. my tires now have little knobs on the tread and i can kind of feel it a little when i am riding on really smooth pavement. I don't really ride on dirt, but occasionally i pass by some patches of road that have some sand on them and I don't want to slip with smooth tires.

How does the Big Apple HS430 20x2.0 compare to the Racers HS429 20x1.5?


thanks

Last edited by byhsu; 05-20-14 at 01:50 PM.
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Old 05-20-14, 02:12 PM   #4
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slick tires actually are contacting the pavement more than a tread pattern will .

and the contact patch is so small there wont be hydroplaning issues ..

like big wide car tires. ... and knobby tire tread block squirm is part of the loss of rolling resistance..


Big Apple HS430 20x2.0 compared to the Racers HS429 20x1.5? there the width is 1/2 difference , so a bit smaller is also a bit lighter ..

but some welcome the bit more cushioning of the larger air volume.

Last edited by fietsbob; 05-20-14 at 02:19 PM.
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Old 05-20-14, 03:15 PM   #5
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I have some 20 x 1.25 super big apples on my Tern .... and some Ultremos on a Dahon Mu special light bike...
both are very very different bikes, the Tern with 11 speed interenal hub and front suspension and the Dahon Mu with superlight parts ...

Let me say that I would feel the difference in comfort riding one over the other, but I am hardpressed somewhat to feel the speed difference in the tires ....

Yes the feel is faster on the skinny tires .. but can I measure it ? I am sure that more experienced rider can ..I dont ..lol

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Old 05-23-14, 04:10 PM   #6
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I have kojaks and love them. I used to have marathon racers and they were reliable but unexciting. I have not tried big apples.
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