I have not had the opportunity to change a tire with these yet (fortunately), but I can tell they are very sturdy and should be able to withstand the abuse. They are made of very thick plastic, are lightweight, but are unfortunately a bit bulky. I have a small saddle bag, and it just barely fits in with the rest of my spare tire stuff. Overall, I would recommend this product for the price and quality.
Great little item:
These tire levers are thicker than usual, making them very easy to use and helpful for both taking the tires of my mountain bike putting them back on. My only complaint is that you only get 2 of them (generally tire levers come in 3's), but this isn't a big deal and they still work fine.
Work better than thinner ones:
I first changed my tube last week with some other levers from my local bike store, one of them broke and I finally replaced the tube after about 30 minutes (with the help of my girlfriend) and after many blisters, we got it done. I should also say, i have those tires made with kevlar, so they get tough to put around the rim towards the last part. I tried these yesterday with another flat I got, and it only took me about 8 minutes, tops, and it was much easier than last time. These work really good.
Perfect tool for the job:
Pedro's Bicycle Tire Lever (Pair)
Not much you can say about tire levers - these do the job perfectly. They're lightweight if you like to carry your tools with you, a little fatter than other tire levers I've used which I like as it makes them nicer/easier to hold while you work with them.
