Quality Tube/Kenda 650 Presta Valve 18 x 23 80mmQ-Tubes Presta valve tubes are quality training tubes at an affordable price. These tubes have a .9mm thick butyl rubber wall, which provides improved puncture resistance.
- All Q-Tubes Presta cores are removable or replaceable
- Threaded valve
- Available in 650c
- Weighs 85 g
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