Very light, good grip, very fast.

Unstable unless inflated to high pressure - rough riding as a result. Very flat prone.

I chose these 2.0 480g tires for their light weight to add to an already incredibily light bike mainly for commuting to work. While they are indeed very light and very fast they are a little harsh riding paired with a hard tail since they must be inflated to a relatively high pressure for them to be stable and perform well. When inflated properly they handle very well in most condition. The biggest complaint that I have is that they are by far the most flat prone tires I have every owned - both MTB or road - in any terrain. Believe me, I do a lot of mountain biking (with another bike) in all kinds of conditions and with lots of cactus and other hazards - I have never flatted more than with these tires. Most of my commute is pavement with a short hop across a wash - I flat on about 50% of my rides from the smallest of road hazards. After 6 months of riding I have had to resort to Slime (ugh) thus negating the light weight of the tires. Unless you ride on perfectly clean roads, I can't recommend these tires.

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Too many different tires to mention.

Good on tarmac and rocky conditions.

Poor sidewall. Knob too shallow, hence lack grip during on not too soft trail. Wear quickly.

Never want to use them again.

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Continental Competetion Pro, Kenda Kozmik, MAxxis WormDrive, Panaracer MAch SK

super light,,, grip freakishly well in dry conditions, over rock, dirt, even sand... pretty good in tacky to slightly muddy conditions... Look cool

they hard to find... really hard to find... Dont even bother in serious mud (that would be retarded). a wee bit pricey.. Dont get close to them with broken glass or sharp objects.

I chose the 2.0 tire size (398 grams a piece!!!) They feel very similar to IRC Mythos in nearly all conditions, only better in dry dirt.... They actually, amazingly, still have grip in sand (how??).... The tread pattern must be the best ever... period... Unfortunately, I accidetally sliced a slit in my sidewall with a knife when unpackaging it from my college move (really really stupid).. I patched the tire from the inside tire patch but it doesnt hold great.. I sttil rode them religously)

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Kenda Klimax, Continental Twister Pro's, IRC Mythos XC's, Specialized Roll X's, Hutchinson Mosquito Air Light's...

none, o, its black, and thats about it.

There are toooo many to list. it punctures no problem. It cant grip the road. It falls off, even after multiple LBS visits. It costs way to much. The knobs fall off, almost instantly. It cant grip in anything other than hard pack. I was using it up at mamoth the other day, and it kept sliding, and sliding, and silding, until there was no tread left. I guess once all the beads fall off, you could use it as a roadie tire, but thats about all.

Personaly, these tires didnt work for me. But some of my friends use them and they love them. I am gunna get some blue dragons next time i go to the LBS, unlessthey have anything different. that I prefer the look of. Give theese a try, if u dont like them, go get some blue dragons, which i hear are great. im gunna give thesse a 2 and a 3, only because i no people who love them.

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WTB, specalized, tigoa, some other rubber tires.

Great in nearly every condition. Large volume and light weight make this a great XC race tire. Works great with NoTubes just like all Kenda tires.

N/A

This is probably one of the most under rated and under ridden tires ever! As a racer, I have many tires for a variety of conditons. However, when I am in doubt I always choose my Kozmik Lite IIs since they work so well. I used them at NMBS #1 and #2 this year... what could be more extreme!

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Many many others.

Light

Thin and hard.

So I rode on my new Kenda Kozmik II t ires this weekend. I noticed the 1.2 pound weight loss. I found myself in higher gears and riding faster. I had a harder time negotiating some turns because of the increase in speed. These tires definitely deliver what they promise--light weightedness if that's a term.

I took them onto the Barton Creek Green Belt in Austin which has some rocky "all mountain" type sections. I got a rear wheel pinch flat whereas I never have before. I don't know if it was not enough air (under 40psi), the ultra light tubes, or the lack of tire well strength (or a combination of all three) that caused this. To the manufacturer's credit, these tires are not marketed as "all mountain" or rough riding tires. I put the psi up to 40 (they were at 30) and this seemed to make a difference as far as avoiding pinch flats on rough terrain.

I rode them at Walnut Creek in Austin. The trails there are smooth, some loose dirt sections, some roots, few rocks. The trails are twisty and can be fast--most have gradual climbs and gradual downhills. I noticed that the tires aren't as grippy as non-kevlar, rubber tires. I skidded out on a couple of turns and almost lost it as I crossed a rock bottom creek. I heard the tires "ping" a couple of times on rocks and roots as if they were sliding off. I felt my rims get dinged a couple of times over rough stuff too.

So, overall these tires are great for hardpack but struggle on rough XC or All Mountain conditions. I'll continue to use them and swap them out when I'm riding in rocky places.

Very low rolling resistance. Sticky around corners even at high speeds, and I haven't had them washout on a steep turn yet! Center of tire makes your bike feel like a road bike going down paved streets/sidewalks.

None!!! You've got a tire less than 400g, which sticks to the road, can be ridden in loose dirt/sand, and hard-pack...can't imagine any complaints.

I'm new to mountain biking, but used to ride BMX. After switching from the OEM tires, I almost had to re-learn how to ride my bike because these tires are leaps and bounds above anything I've ridden. The center of tire feels really comfortable and doesn't squirm on fast pavement, while the sides allow you to run it through loose dirt, over rocks, and hard-pack without a care. And ofcourse, the tires are light as a feather. I'm riding them at 60 psi, and they offer enough comfort, resiliance, and confidence to take on any standard surface for the weekend warrior to the XC rider. Bought them off ebay for a steal - $22 for both, brand new!!!

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I'm sold on this, and I ain't switchin!!!

Fast on downhills, super sticky traction, low rolling resistance, good traction on climbs

none yet

These tires work really well. I've trained and raced with lots of tires. I used to use Maxxis Wormdrives exclusively. These can run at higher pressure and are so much stickier. I do a lot of adventure races and rolling resistance kills. You can pump these tires pretty high. I'm runnig them at 65 in the rear and 60 upfront. I was nervous at first to open these up but I got comfortable with the speed and trail hugging capabilities really quick. Currently using the 1.7 in the rear and 2.0 upfront. (I'm going to put a 1.7 on the front as well and see if I get the same bite on the trail.) If your looking for a really fast tire, low rolling resistance and stick to the trail feel, this is the ticket. Sure Kenda makes a lighter tire (Klimax Lite) but it doesnt' perform as well all-around. This tire's under 400 grams anyway, so who cares!!

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Maxxis Wormdrive, Specialized Works, Perfromance Topo, Revolt SS, Kenda Kozmik Lites

very durable , light weight, good grip. will run 65lbs, pressure. well constructed

rim bead a little ragged after many careless changes of inferior ultra light tubes

wanted a big tire to support my big ----. I was using a trailer bike, hauling a kid when the stock wheel popped spokes. Rode another mile plus with tire rubbing seat stay hard every turn. I now use that tire on the front , the sidewall damage was only cosmetic, no ripped or abraded cords. I think this is a good strong tire , that grips well. The somewhat round section allows you to lean over quite a bit , before the knobby edge washes out, (on pavement). grips very well in hard dirt. very pleased with the weight and surprised at the durability of the tread. The rubber compound delivers as promised. Well made and very round.

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none, but have been using bike tires over 40 years , from sting ray to Italian.

Light, Fast, great traction in many conditions and tread.

Sidewalls are a little weak.

I don't know what these guys are doing that don't like these tires. I raced and rode on them non stop for about 7 months. I'm talking some serious rocky terrain on a daily basis in central PA. (Roaring Creek, Bald Eagle State Forest, Rothrock, Danville). I have only on slice in the sidewall that was easily patched with a tire boot. I ran the tire like that in 4 races. I bet I have about 500 miles on the things and they are still in great shape tread wise.

They can be a little expensive and hard to find but I have been able to find them on sale, either at Cambria or Pricepoint.

This is my tire of choice. I will run them again this race season. I might just role with the same pair and not worry about new ones.

If you're into riding true cross country and want a great tire with decent durability and fast tread here they are. Pick up a set.

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IRC Mythos(best bang for the buck)