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  1. #1
    BWP
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    Wide,fast ISO 451 tires

    All,

    As far as I can tell, in the world of ISO 451 tires there are very wide and very knobby tires made for BMX racing and then there are narrow and mostly smooth tires for go-fast minibikes and folders. No Kojak, no Scorcher between these that will give me the slick balloon I want to be able to go fast while handling rough and sometimes slippery roads. Ideally I want a folding bead.

    However, there is the Intense (ITS) MicroKnobby MK2. Bike Friday and other on-line sellers have them but I haven't seen one in real life. Knobby, but small knobs and with a smoother strip at the center. It comes in many widths, including the 35 - 40 range I want. Checks the folding bead box. I've seen reviews from the BMX world that say that it's a good, fast street tire but I haven't seen perspectives on how it compares to usual options for fast folders. I'm interested in tradeoffs along the usual dimensions: speed, ride, grip, puncture resistance, wear.

    Does anyone have experience with these (or recommend another tire that would fit this niche need)?

    Many thanks

  2. #2
    Senior Member smallwheeler's Avatar
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    primo comet.

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    Primo Comet

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    BWP
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    Thanks Bruce and smallwheeler for the succinct endorsements of the Primos... I'd discounted them after hearing some mixed things but sounds like they deserve a fairer shake! If anyone out there has tried the Intense product referenced above would love to hear before I invest in experiments.

  5. #5
    jur
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    I have the Intense. I like it a lot, it is good for road and packed gravel, very light weight, supple sidewalls so low rolling resistance. The only caveat is it uses a softer compound so wears relatively quickly when used on the rear.

    A similar one is the Kenda Small Block 8. Haven't actually used mine yet, am waiting for the current back tyre to wear. It looks like it might be slightly tougher but that is purely subjective.

  6. #6
    my nice bike is at home kraftwerk's Avatar
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    I had Schwalbe Stelvio's they are pretty narrow (not wide) and very difficult to mount on the rim ( a major p.i.t.a.) but otherwise a nice tire.
    The Intense micro knobby seem even narrower. Had no idea they came in different widths. Anyway, they are so much easier to take on and off the rims ( FMF brand CA. ) so I will run them for now....at a very high PSI...
    Last edited by kraftwerk; 06-01-13 at 11:59 AM.

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    Quote Originally Posted by jur View Post
    I have the Intense. I like it a lot, it is good for road and packed gravel, very light weight, supple sidewalls so low rolling resistance. The only caveat is it uses a softer compound so wears relatively quickly when used on the rear.

    A similar one is the Kenda Small Block 8. Haven't actually used mine yet, am waiting for the current back tyre to wear. It looks like it might be slightly tougher but that is purely subjective.
    2nd the Intense MKII. Rolls fast on pavement and did great on rough, unpaved service roads, non-technical single track and also shallow muddy patches.IMAG0197.jpg
    Just returned from a nice ride through the park.

  8. #8
    coprolite fietsbob's Avatar
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    micro knobby=slower.. tread movement is the problem . slick is better.

    Primo Comet is also light , because the tread is thin , and sidewall light and somewhat race tire fragile.

    have to buy online and pay shipping? get spares ..
    Last edited by fietsbob; 07-16-13 at 11:29 AM.

  9. #9
    Part-time epistemologist invisiblehand's Avatar
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    Here is another alternative.

    http://www.tiogausa.com/bmx_race/tires_powerblock.html

    Last I checked, available at Dan's Comp for a reasonable price too.

  10. #10
    Senior Member smallwheeler's Avatar
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    finally fitted the 451 maxxis holy rollers i've had hanging on the wall for 6 months.. did some trail riding to test them out. 400+ meters of damp soggy sod and not a single bit of slippage. rugged, attractive, and durable. when on the pavement, one can hear the subtle whir of the knobbies. i'm used to exclusively running slicks like the primo comets, so when coasting, i can quickly feel the comparably rapid deceleration associated with knobbies. but the high pressure alleviates the rolling resistance somewhat (or so it seems). rate: 9/10 - would use to escape zombie apocalypse.




  11. #11
    jur
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    Quote Originally Posted by smallwheeler View Post
    finally fitted the 451 maxxis holy rollers i've had hanging on the wall for 6 months.. did some trail riding to test them out. 400+ meters of damp soggy sod and not a single bit of slippage. rugged, attractive, and durable. when on the pavement, one can hear the subtle whir of the knobbies. i'm used to exclusively running slicks like the primo comets, so when coasting, i can quickly feel the comparably rapid deceleration associated with knobbies. but the high pressure alleviates the rolling resistance somewhat (or so it seems). rate: 9/10 - would use to escape zombie apocalypse.



    We have used a number of these on Connie's Reach... I won't be buying those again... They roll nice but the big thing is they are not durable at all. I have had many failures, all casing, but none had worn the tread off yet.

  12. #12
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by jur View Post
    We have used a number of these on Connie's Reach... I won't be buying those again... They roll nice but the big thing is they are not durable at all. I have had many failures, all casing, but none had worn the tread off yet.
    well.. if that happens, i won't buy them again. but, they will probably last quite awhile for me as they will only get occasional use. do you have any suggestions for 451s?

  13. #13
    jur
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    For the front, hard to beat the Intense Micro Knobby. Foldable version available. The front tyre sees mush less stress so that is a nice choice for the front. The lbs which sold us the 1st one, now years ago, said it won't last but we actually replaced it coincidentally just last Saturday, so it lasted years. I was carrying a foldable spare and Connie got a flat, the tyre had a hole in it from a previous puncture, so I decided to fit the new one.

    For the rear, the Holy Roller has just had a casing failure, this time the bead came loose from the casing, that has happened before as well. So I just fitted a Kenda Small Block Eight. Still need to ride it, no review.

  14. #14
    in cog neato itsmoot's Avatar
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    I've been using a 20x1-3/8 Tioga Powerblock on the front of my Swift lately.

    The price is right, and I like having some light tread on the front for cornering in the occasional patch of loose stuff.

    They only take 80lbs max pressure, but as Jur said above, the front it sees a lot less stress (and weight) than the rear.
    I have the heart of a young boy. I got it on eBay.

  15. #15
    BWP
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    All,

    In the end, and driven mainly by local availability, I went with Panaracer Minits Lites. I endorse them. Wear and puncture resistance seem a bit shy of what I get from Kojaks. They are narrower than my dream tires. Those things said, they feel faster, lighter, and grippier than the Kojaks. Still haven't tried Primo Comets, so can't offer a comparison, but like the Panaracers enough to have bought more.

    Thanks.

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