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"Official" 29er Tire Reviews Thread

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  • Very nice one.
    I'll measure the frame of my 2016 KH29", I wonder if it would fit under it.

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    • The 27.5x3.25 Duro Crux fits the 2016 KH27.5 frame, but the 2016 KH29 frame is not quite tall enough. However, the KH29 fits the 3.0" version of the tire.

      I also widened the KH27.5 and KH29 frames very slightly for 2017 (only by 2 mm), to make absolutely sure that there was no rubbing when cranking hard side to side up climbs and slightly increased the vertical clearance.

      Here is the vertical clearance from hub centerline to underside of crown, and horizontal clearance at the position of the widest part of the tire:
      2016 KH27.5: 380.5 mm (vertical) and 94 mm (horizontal)
      2017 KH27.5: 383.5 mm (vertical) and 96 mm (horizontal)

      2016 KH29: 391.5 mm (vertical) and 94 mm (horizontal)
      2017 KH29: 401.5 mm (vertical) and 96 mm (horizontal)

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      • RE: Duro Crux 29x3.25

        Originally posted by haskinsc View Post
        I just received this from JonesBikes.com. Mounted on a Surly Rabbit Hole rim it measures an honest 3 inches inside knobs, almost 3.2 outside knobs.

        Weight on my scale: 1250 grams.

        It's going in my Flansberrium 29+ - yes there is plenty of clearance in the frame for this thing.

        Will post more info/feedback after I ride a few times.
        I've been on only two 7 mile rides and initial impression is this is a good/great tire. I experienced no negative aspects like auto-steer on off-camber terrain.

        Positive aspect is the very beefy tread resulting in great traction. Some may perceive this as a negative as it makes it more difficult to initiate a rapid twisting turn at slow speed. For me, the traction is confidence inspiring.

        Oh, and I should mention the tire I was riding previously was a Gravity Vidar which I also like a lot.
        Last edited by haskinsc; 2017-06-12, 07:37 PM.

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        • I'd echo that with the Crux - was really surprised at how well it corners, even on pavement, given the deep tread and volume. No feeling of auto steer at all, in my experience.

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          • Originally posted by Klaas Bil View Post
            Indeed, I run my road tyres near the max rated pressure (which is 65 psi for the Hookworm). I think 30 psi is rather low for this tyre, and will have increased road camber sensitivity. A few pages ago the Hookwork was discussed for road use, and generally considered a pleasure. I think I'll spring for that one now that it is available in Europe too.

            Thanks for the insights so far. If anyone has to add more, it's welcome.
            I'll report back when I have some experience on it - remind me if I wouldn't.
            Klaas did you get the Hookworm? How did you like it?

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            • Originally posted by Vertigo View Post
              Klaas did you get the Hookworm? How did you like it?
              Ah thanks for reminding me.

              Yes I did get it, a little over a year ago. I have ridden it quite a bit when I just had it: training for the standard marathon at Unicon in Spain, and the actual race in early August last year. Since then I haven't used it though.

              I found a note to myself from the first time riding: "first impression: runs nicely". No later notes. That's also what I remember: it rolls very light at the high pressure I kept it at. I don't remember anything about road crown sensitivity (an issue I'm quite sensitive too), so probably it wasn't too bad, but no definite statement here. I can add that in the race, I improved my PR on the standard marathon from 2:12 to 2:08, which I attribute partly to the bigger diameter compared to the Schwalbe Marathon 2.0 that I used before.

              All in all, I would certainly recommend the tyre for road use. Within the 29" league it's the fastest tyre I know of.

              Comment


              • There is also this thread with recommendations for 29 inch pavement tyres.

                My own preference is for lightweight tyres and I have a Maxxis Torch 29 x 2.10 on a 38 mm rim. Exceptionally low rolling resistance, good ride, handling and traction. I reviewed it in that thread.

                My 26 came with a Hookworm and it left me cold. Riders who like extra the rotating mass might like them I guess. However they are badly affected by camber (apparently unless they are at maximum pressure). Not good in the wet. The tread grooves are more decorative than hydrodynamic.

                However I do have a Hookworm on my 20 and love it. The extra mass is good on a small wheel and the circular profile is good for tight turning. No camber problems at all regardless of how low the pressure goes.
                Triton 36" + 29" | KH 29" | KH 26" | KH 27.5" Muni | Nimbus eSport Race 24" | Torker LX 24" | Qu-Ax Luxus 20" | Qu-Ax Profi 20" | KH / Impact 19" hybrid

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                • Both Unidreamer and myself tried the Hookworm in 29" and we both... disliked it. Mainly for the road camber, and the weight.

                  UniD went for the Knard 3.0, choosing the knobby way, and I went for the Schwalbe Big One which I like a lot. It's good on road camber (as long as it's not on a wide rim, important detail), and the best part is how light it is.

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                  • Thanks guys. I might try the Big One because I like lightweight tires. Pierrox does it wear well?

                    I'm looking for a slightly bigger racing tire. I see that a standard 29" road wheel can be up to 778mm.

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                    • Originally posted by Vertigo View Post
                      I'm looking for a slightly bigger racing tire. I see that a standard 29" road wheel can be up to 778mm.
                      That should allow about 3.00 but the rolling resistance at that width would work against the gains in diameter.

                      The Torch 2.10 is about 740mm diameter on a 38 mm rim. It is very light and I highly recommend it as a race tyre but I wouldn't expect really high mileage.
                      Triton 36" + 29" | KH 29" | KH 26" | KH 27.5" Muni | Nimbus eSport Race 24" | Torker LX 24" | Qu-Ax Luxus 20" | Qu-Ax Profi 20" | KH / Impact 19" hybrid

                      Comment


                      • Originally posted by Vertigo View Post
                        Thanks guys. I might try the Big One because I like lightweight tires. Pierrox does it wear well?
                        So far so good, it looks very flimsy with its tiny "dot-knobs" but they're still as new after several months.

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                        • Originally posted by pierrox View Post
                          I went for the Schwalbe Big One which I like a lot. It's good on road camber (as long as it's not on a wide rim, important detail)
                          So it is a lot better than the Schwalbe Big Apple then? I had a Big Apple 2.35 and the road camber sensitivity was much too high for my taste. High pressure did not help enough. The Hookworm is definitely better on road camber, in my experience. Both on a medium wide rim, don't remember which. Perhaps the Big Apple on the KH XC, and the current Hookworm on the Dominator II.

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                          • Another good option is the Schwalbe Super Moto 2.35

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                            • Originally posted by Juan M View Post
                              Another good option is the Schwalbe Super Moto 2.35
                              I looked for the 29er version of that tire and can't find it. Perhaps it's been discontinued.

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                              • Possible, Schwalbe's turnover is pretty fast!

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