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WTB Kodiak 2.5″ 29″er Tires: Midterm

November 24th, 2009 by Guitar Ted

Now with the Kodiak 2.5″ers having been ridden for awhile in some varying conditions, I am ready to give my Midterm report on these knobular beasties. The Kodiak is a similar tire to the WTB Dissent in its casing technologies, but very different in its trail personality.

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There are a lot of knobs with severely ramped support on the Kodiak tread pattern.

Some of my initial impressions of this tire can be found here. Since those rides things dampened up a bit here again. Not quite to the extent that we had with the Dissent testing, but close. Here’s what I have to say about this tire in wetter conditions.

In tacky dirt, the Kodiak grips really well. However; when the mud starts to get stickier, this tread isn’t quite as good as the Dissent at shedding it, nor as good at getting a grip on things. It isn’t bad, but the Dissent is just better at this. I keep going back to the higher crowned casing of the Kodiak, but this is where much of the problems emanate from in more severe conditions. Another thing worth noting, the knob supports are so “ramped” that the knobs effectively lose the edge needed to dig into loose soil, or in this case, slippery mud. The terrain rolls or slides past the knobs due to this and the way the crown of the casing angles them. Keep in mind this is on a Gordo. A narrower rim might make the crown effect of the casing even more pronounced, although I will have to try that coming up.

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The Kodiak likes drier, hard packed conditions more so than wet or loose.

Even though the Kodiak doesn’t seem to work as well in the loose and greasy conditions, it rides over trail obstacles much like the Dissent does. At sub 20psi it is a very nice, comfortable ride on the Big Mama. This is a bit of a surprise since the volume of the casing is less on the Kodiak. Climbing was decent as long as things weren’t off camber, and then that dratted high crown casing would tend to want to slip out ever so slightly at times. Braking was great. Cornering was excellent in drier conditions and with lots of leaves on the trails, the Kodiak didn’t seem to get upset by them. I still get wandering up into the sides of ruts which I didn’t get with the Dissent.

Comparisons between the Kodiak and Dissent are unavoidable. They are both squarely aimed at the same demographic in 29″er mountain biking. I think it is starting to become clear that the Kodiak is more adept at dry, hard pack, or loamy to tacky dirt. Loose conditions are not its forte’. The Dissent tends to shine where the Kodiak doesn’t, and still does very well where the Kodiak does well. Volume goes to the Dissent, as does the weight, which is less on the Dissent, but both these tires are tanks in that department. So far, it would seem that some bikes may have a difficult time swallowing a Dissent, while the Kodiak will likely fit more bikes and forks. (Of course, narrower rims may alleviate this to some degree.)

The testing will continue, and I’ll file a joint report on comparisons between the Dissent and Kodiak coming up……….

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4 Responses to “WTB Kodiak 2.5″ 29″er Tires: Midterm”

  1. 1 JYB 

    Thanks for all of your great posts on all things 29er. Have a great Thanksgiving.

  2. 2 professed 

    GT, not having ridden anything more aggressive than a nevegal, could you provide an indication of how much more grip and comfort one of these monsters provide?
    Just interested from a viewpoint of seeing whether they can transform a hardtail into a good trail eater rather than having to step up to a dually.

    In particular interest is grip when tyre has been wet and then gets coated in dirt/sand and has to climb rock steps – probably the most testing trail condition around my trails.

    Thanks !

  3. 3 Guitar Ted 

    @professed: Well, the grip and comfort level is amazing, but so is the inertia/weight penalty. If you have trails where momentum is easily kept up, these tires might make sense for your intentions. For instance, I will gladly go back to riding WW LT’s and Schwalbe Racing Ralphs here after this testing is done. Grip level isn’t quite as high, but comfort is equal and weight is at least half as much. That’s huge for my single speeding/hardtail riding here.

    If I lived somewhere where the trails were high speed inducing with lots of rocks, branches, or roots to smack into, then I might reconsider that and use one of these tough, burly tires.

    Grip level in your example would be better addressed by the Dissent. Very impressive in that regard.

  4. 4 Eli 

    How does the Kodiak compare to the Dissent on roots? How do the compare on off-camber ledge rock?

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