 |   Publisher : Pyramid Company : Pyramid Our Price: $5.99 |
Features
- 1 tube
- Thorn resistant tubes have a thicker bottom wall than standard tubes
- Tubes last longer as they are resistant to puncture
- PV
Product Description
TUBES SUNLT THORN RES PV32mm700x25-28 (27x1-1/8-1-1/4)SimilarProduct
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Customer reviews
Unbeatable for city riding 
by .. A. F. you (Pangea)
I've been riding a track bike in urban environments for years and I can't stress how valuable thorn-resistant 700c tubes have been to me. I ride slick, thin tires and skid stop a moderate amount. I also ride at night quite a bit and seem to always be ride through glass and other junk. With standard-thickness tubes I average about a flat a week. (and when that flat occurs during my commute to work, I f'ing screwed) Using thorn-resistant tubes I've gone months without a flat. I've even worn thru 3 back tires while using the same tube. For urban riding--especially when wearing out your tires skidding--these suckers are worth their weight in gold. I believe most shops don't carry them because they'll lose out on that $5 a week you would be spending on tubes.
I don't know what that other reviewer was talking about, because I've found that thorn-resistant tubes hold PSI, waaaay longer than standard tubes. I can pump up to 130PSI and my tires remain rock solid for almost two weeks...
I would have given five stars, but they are super heavy. Not recommended for racing.
Just ok 
by .. E. J. Stringer (Jacksonville, FL)
I bought these because the tubes that came with my bike were thin and I've already gotten two flats with them. I replaced one tube and these things are definitely thick. They're a little hard to get into the tire even. Their thickness also makes them tougher to inflate. It seems like they don't hold air for as long either, unless I've got a slow leak in it already (which would actually be worse). The stem is not good: No ridges and no way to keep it from pushing down into the tire when the tire is flat (at least for my pump, which fits onto it tightly). Not sure that I'll buy them again...