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Old 07-22-11, 03:43 PM   #1
mtalinm
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widest 451 tires w/ high psi?

currently have 1 1/8 tires on a 451 rim. they don't take the potholes nearly as well as my 1 1/2 tires did on the 406 rim, but I've switched.

i see a 1.35 primo comet kevlar belt (same tire I have in thinner) on bikefriday, but it is lower psi. i'm a big guy so would like higher psi.

anything else out there?
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Old 07-22-11, 03:51 PM   #2
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Originally Posted by mtalinm View Post
currently have 1 1/8 tires on a 451 rim. they don't take the potholes nearly as well as my 1 1/2 tires did on the 406 rim, but I've switched.

i see a 1.35 primo comet kevlar belt (same tire I have in thinner) on bikefriday, but it is lower psi. i'm a big guy so would like higher psi.

anything else out there?
schwalbe kojaks (1.35) can get you up to 95 psi. depends how much higher do you want - above 100? the marathon racers are wider (1.50) but are similar to the primo comet with 85psi max.

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Old 07-22-11, 04:15 PM   #3
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you sure there is a 451 kojak? i thought that was only a 406.

my schwalbe marathons go to 100psi and it is great. my primo comets are 110 but the thinness of the tire seems problematic
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Old 07-22-11, 05:14 PM   #4
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The widest tire in 451 that I've seen (and used) is the 1 3/8 Primo Comet .. I liked it a lot.. Primo Comets don't get enough love .. I remember them being in both Kevlar and non-Kevlar .. a 20x1.35 Primo would be for a 406 rim..
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Old 07-25-11, 01:39 PM   #5
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The widest tire in 451 that I've seen (and used) is the 1 3/8 Primo Comet .. I liked it a lot.. Primo Comets don't get enough love .. I remember them being in both Kevlar and non-Kevlar .. a 20x1.35 Primo would be for a 406 rim..
I concur. One thing that I noticed about the 406 Primo Comets is that they run narrow relative to specifications. For instance 20 x 1.75" Comets are about 37 mm wide.

Is the same true about the 451 tires?
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Old 07-25-11, 01:52 PM   #6
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they sure feel that way. my 1 1/8 comets looks skinnier than the 25s on my road bike, though I'm sure it's not quite true.

I stuck Mr. Tuffy's in there to try to toughen them up (something got through the Kevlar belt and flattened my tube...which then flattened me when I fell rounding a corner)
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Old 07-25-11, 04:32 PM   #7
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I haven't seen anything wider than 1-3/8" in 451mm. I have used Intense Micro Knobby (like), Primo Comet (like), Maxxis Holy Roller (rubbish), and a few tyres in 1-1/8" width.
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Old 07-25-11, 05:00 PM   #8
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406 is the rim with wider tyres , 451 is a go fast skinny tire wheel choice ..

N+1 would be the choice .

a bike built around the other wheel will offer the wider tire you seek..

larger tire functions at a lower operating pressure ,
because of the greater volume.
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