I’ve searched high and low however I can’t find any info on how the Bontrager stacks up to other tires rolling Resistance. I have the XR3/XR2 combo on my Top Fuel now and love the durability/grip. Looking for some comparisons or knowledge to make sure I’m not giving up too many watts.
Bontrager XR2 and XR3 rolling resistance info?
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2,427 Posts
Never seen any myself. The XR2 is a pretty fast tire. I love it for dry conditions. Damp or wet, not so much.
Check the august issue of the german bike magazine. They have most x country tires reviewed, including rolling resistance, puncture, pinch flat etc.
https://www.bike-magazin.de/magazin_abo.html
If I remember well, the xr3/xr2 combo scored above average. Xr3 best front tire, Kenda booster pro best rear tire, xr2 second place.
https://www.bike-magazin.de/magazin_abo.html
If I remember well, the xr3/xr2 combo scored above average. Xr3 best front tire, Kenda booster pro best rear tire, xr2 second place.
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320 Posts
I run a 2.6 XR2 on the rear of my HT trail bike and that tire is just stupid fast. Just look at the tire and then you know when to look out. I have the XR4 2.6 on the front.
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3,193 Posts
Man, not those guys again! Their app is super annoying. Good info, but a pita. I guess I'll fall on my sword again. Here goes....
...and they include these mickey mouse brands like Onza and E13 but leave out Vittoria. LAME. I want a refund.
That's also the OLD XR3 they tested.
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2,094 Posts
new XR3 is fast. just throwing that out there in case there's any question.
A few months ago I bought a 2.6 XR4 front, and 2.4 XR3 (old version) back. The setup had more than enough grip for the hardpack/rocky/dusty/twisty riding I do in Central Texas. After several rides I decided to get the new version of the 2.4 XR3 and try it on the front as I was feeling the weight of the 2.6 XR4 and thought it was probably a bit too much for my style and conditions.
The new XR3 doesn't have as much volume as the old XR3, looks puny compared to the 2.6 XR4, and just looks much more XC than trail. I was thinking I'd made a mistake and probably should've gone with the 2.4 XR4. But, with their 30 day return policy, figured I'd give it a few rides before I decided. After a couple of rides, I'm sold on the new XR3...it is much lighter and faster rolling feeling than the XR4, doesn't give up much grip on my trails, and allows me to more accurately pick my lines. So, I'll keep the XR4 for trips to more exciting trails, but I'll be sticking with the XR3 for my local trails. Seems like a perfect combo of fast rolling and good grip for me.
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2,094 Posts
depends on where you're riding. the XR4 is phenomenal in loose over hard IME. if you're riding hardpack, it doesn't matter too much.
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1,186 Posts
Agreed. While my new bike is in the shop, took the old backup bike out two times with it's 2.2 XR2 on the back and had a great time on it. And the old 17mm ID rims aren't tubeless so had 30 psi in them. Climbed dry roots fine, handled fine in the hardpack, no torn knobs from barreling over rocky sections, and it felt FAST.
That sounds promising. This year I'm hoping Trek releases:
27.5 x 2.6 SE3, ~920 grams
29 x 2.4 SE3, ~830 grams
29 x 2.4 XR5- been using a 2.6 XR5 up front and it's too balloon like and doesn't knife into loose terrain
Man you guys are making me want to revisit the XR4 as a front tire.
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2,094 Posts
it's amazing. hence maxxis' new copycat
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