Stop Flats 2 Bicycle Tire Liner

In an area with Goatheads (Tribulus terrestris)these stop flats are a must for anyone that puts more than a trip round the park once a month when the kids visit.Pedal effort will increased a few percent, and be noticeably on hills after installing them. The liners aren't all that heavy but the bike seems will seem to have lost some agility. After using them for a 100 miles you will have forgotten they are in the tires protecting you. Pain in the neck installing them in a narrow 622 bicycle rim if you have not changed a tire recently.Our bicycle group used them in the Seattle to Portland event (STP), as I did not need the performance of light weight racing tires, I wanted to finish the 206 miles without any drive train or tire incidents especially loss of air. In the group we had two flats on same bicycle tire, it was a split plastic rim liner (puncture on the inside of tube) At a check point had the rim liner replaced and we were off not losing to much time...Forgot, color coded for tire sizeMT

Product is well made, I tested it by trying to poke a screw into it and it help up well. Reason for the 4 stars is that, with the road tire being so narrow, it's almost impossible to fully insult the product in all the way without it coming out. I feel it needs to come with an adhesive strip on the side that attaches to the main tire. Or supply a double sided tape to help keep the product in place between the outer and inner tires.

Per the review title, using these tire liners improved our chances of avoiding flats in our stroller. Unfortunately, we went only three days before we got another flat (using sidewalks, not off-roading). We now use slime filled inner tubes + these liners and have not had a flat yet (going on 3 weeks).

Our area is full of goatheads. After replacing tubes and dealing with leaks monthly, we decided to give these a try. They've worked amazingly well. Not one leak or flat after 2 months of use.

I bought these to protect against punctures from goatheads. I can assure you, they do not protect against goatheads. Probably good for city-slickers, though...

I purchased this tire liner last year. Untill I installed them I had 5 flats in a month. All the flats came from the tread area.After installing these liners I had no more flats from the tread area, so they must protect that area, but, I've had flats from just above the tread area and not what I call the sidewall. So how come no-one can protect the whole inside of the tire?Is it just me or don't anyone else get stickers other than the tread area? I would give any tire liner a 5-star just to cover more than the tread area.Does anyone know of a material I can install myself like a tire liner. I don't care about weight, I just want to ride without pushing my bike home.By the way, this company garantees no flats. This sage color is the widest (26x2.5) liner I could find and it's not wide enough to stop my flats. What gives?

I love these things. Easy to install & provide great protection. I use different sizes of these them on all my bikes (except my race wheels). They don't change the roll or feel of the wheel & the added weight is definitely worth the extra protection. They also mean I can get much more mileage out of a set of tires.

Obviously, time is the best test. However, upon installation and trial ride they appear to be a superb product. Note on installation: After placing Stop Flats inside of tire, and after placing tube back in, reach in with your fingers to re-center the Stop Flats. Upon installation of the tube, the tube tends to rub against the Stop Flats and push it out of center.