2 PACK – Tubes, 700 x 18-23 (27 x 1) 32mm PRESTA Threaded Valve
Replacement high pressure inner tube for any bicycle tire with the same tire dimensions. With a Reinforce Valve Base and quality butyl rubber this tube is a perfect replacement for high pressure tires on triathalon, recumbents, road, hybrids and other high performance bicycles. Be sure to verify the valve type and length for the rims to be used on. CAUTION – When changing an inner tube and adding air for the first time, be sure to incremently add air to the tire and inspect the bead of the tire hooking into the rim on BOTH sides of the wheel. IF it’s not hooking / beading properly then the inner tube can sneak out between the rim and tire causing a very loud boom! This can happen while airing the tire or some time after depending on how well the tire is hooked to the rim.
Product Features
- 700c x 18-23 (27×1)
- 32mm Presta Valve – Threaded with Removable Core
- ISO 622 x 18-23
- 2 Tubes each in their own box
- Replacement High Pressure inner tube for a road bike, tri-bike, recumbent bike, deep carbon rims or other bike with the same tire size.
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Leaks and pops around seam near valve Popping issue – Weak seam in area around Valve. Around the valve is a weak area, it’s approximately 4.5 mm or 3/16″ from the actual valve. It appears to be a seam where two rubber pieces join. This area easily and unexpectedly will pop. The valve appears to be assembled into an oval rubber piece around the size of a dime, which is then joined to the rest of the tube. Where the seam forms, these tubes have popped for no reason. I also believe that the threaded versions have the thread so…