Best money anyone can spend. If you live in an area with goat heads, ( puncturevine ( Tribulus terrestris L. )), as I do, then you will want to get a set of these. They install in about 30 min for both tires, most average bike owner could do it. The only draw back is the narrow hybrid tires 28 to 35c 700 there is still a chance of infiltration from a side wall penetration. I have them in all of my bikes and so far no more flats caused by goat heads.
Verified purchase: Yes | Condition: New
While this product absolutely helped keep glass or thorns from getting into my tube like it was supposed to, the sharp cut edge of the rubber where it ends wore a hole in my tube and gave me a flat anyway. I was shocked to hear the air hissing out while using these, and had to change the flat in an alley in an unsavory part of the city. Thankfully I put in a huge patch to keep it from happening again. I was able to sand / file down the front rim liner to keep it from happening there too.
Verified purchase: Yes | Condition: New
Mr Tuffy doesn't stick to itself or the inner tube the way Rhinodillo brand does. I literally have to pry Rhinos apart & peel them off my tubes (in the 26 by 2" size. I cut the tips round to eliminate sharp edges, I even angle my cuts for a smooth edge. I then take a 6" x 3" piece of old inner tube & put it between the liner overlap area & the new inner tube. This has worked well for about six years on 3 bikes. I think I've purchased 6 sets of regular brown & two sets of ultralite brown. I have had to throw away two brown regulars as they were permanently damaged by big thorns. I'm OCD, they had puckered looking areas where they had deflected thorns, probably OK, but for $8 I'll not risk it.
Verified purchase: No
These liners were easy to install in my new mountain bicycle tires and inner tubes. I bicycle to work every workday, and so far, no flats. These liners give me some feeling of security of getting to work without a flat to deal with.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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