Super Light 26" x 2.4-2.7" 32 mm Presta Valve Tube
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Q-tubes are great reliable replacement tubes that come in a variety of sizes for most applications from the smallest kids bike to world class race bikes.
Super Light tubes use thinner walls to reduce the weight of the tube on average of 10-35g
Presta valve tube have an external thread and are thinner that standard Schrader valve tubes. An adaptor can be fitted onto this
external thread to permit the Presta valve to be connected to a pump
with a Schrader head.
If you are going to use Presta tubes in a rim that is designed for Schrader tubes you must use an adapter such as the Wheels Manufacturing Presta Saver to prevent damage to the valve stem.
Presta tubes work better in high pressure tires because the valve has no return spring which pushes the valve closed under pressure. You close the valve by turning the valve core shut.
Valve Shaft Type
Presta, Presta Short 32-40mm
Fat Bike (1)
5.0 GEARS 2 reviews
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asked by: Tundratactical So I have read several blogs with people using this on fatbike tires. How does that work?
anwered by: a guest I just did the Marji Gesick 100 race in Marquette, Michigan. It is grueling and the terrain is unforgiving (sharp rocks, roots, etc.). I sliced open my Jumbo Jim 4.0 fat bike tire early in the race. It was set up tubeless but wouldn't seal up. I threw in one of these tubes and it worked flawlessly for the next 15 hours of the race. I won't buy anything else but these for my fat bike but plan to only use in emergencies as I prefer to be tubeless whenever possible.
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These tubes have been used up to Big Fat Larry 4.8" on 100mm rims. I personally use them in several different 3.8" Fatbike tires on 65mm rims. Don't worry, they work great, are light, and super supple. Best ride short of going tubeless.