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  1. #1
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    Currently 27i rim, is there a whole new world of traction at 30 to 35 mm?

    Maybe it's upgrade-itis, but I'm thinking of a new front 29er carbon rim for my 130mm - 140mm trail bike. Rider 160 pounds, not a lot of rocks. Ride comfort not the goal, just lots more front end traction for aggressive high speed cornering.

    Currently on 27i hookless rims running 2.35 and 2.4 tires usually 21 to 23 psi depending on trail. Speeds are high and aggressive. I'm sensitive to sidewall flex but that's probably more tpi, psi and profile?

    Demo'd bikes with 30i rims with the likes of HR2 2.35. If I go wider maybe a non-piggy 2.6 or Maxxis WT which will probably be a true 2.4?

    I don't want a lateral move from 27i so I presume a 30i is redundant. Or is it? Is there a sweet spot at 33-35mm? Splitting hairs, I know, but if there's a "whoa, that's much better" width then I'd make the leap.

    Or just save my time and money running 27i as an all-arounder for my weight and trails?
    Last edited by westin; 3 Weeks Ago at 09:37 AM.

  2. #2
    No Clue Crew
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    Save your money.
    Just like a raindrop, I was born to fall.

  3. #3
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    Its best to build up a set and try it. Ive found a noticeable difference going to 34mm iw in terms of traction and comfort.1

    Sent from my SM-G930V using Tapatalk

  4. #4
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    Subscribed. Iíve got the same question myself.

  5. #5
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    I may be putting up some 650b carbonbicycle 34iw 420g rims on pb soon. Good way to try it if you know how to build up a wheel. Many high end trail and enduro bikes come with wider rims these days. The tire selection is much better today than a few years ago.

    Sent from my SM-G930V using Tapatalk

  6. #6
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    The answer is a set of Michelin Wild Rock'r2 tires. That will do more for front end cornering grip than pretty much anything else you can buy for your bike.

  7. #7
    Barely in control
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    Depends on the tire.

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