Q-Tubes

These 650C sized presta valve tubes (screw top) are made of butyl rubber and will get you back riding!
32, 48, 60, 80mm valve
18-23mm width
Presta valve
Removable valve core

Replace your inner tube with these schrader valve tubes.

Schrader Valve
Removable Valve Core
Smooth Valve

Q-Tubes presta valve tubes.
Item Specifications
Weight 83g
Valve Presta
ISO Diameter 584 / 650b / 27.5"
ISO Width 35,36,37,38,39,40,41,42,43mm
Labeled Size 650b x 35-43mm
Valve Length Short 32-40mm
Tube Compound Butyl
Valve Core Removable
Valve

These 16" presta valved tubes(screw top) are made of butyl rubber and will get you back on the road!
32mm valve
Presta valve
Removable valve core

These 20" presta valved tubes(screw top) are made of butyl rubber and will get you back on the road!
32mm valve, 20" x 1.125" also is available with a 60mm valve
Presta valve
Removable valve core

These 24" presta valved tubes (screw top) are made of butyl rubber and will get you back riding!
32mm valve
Presta valve
Removable valve core

These 26" presta valved tubes(screw top) are made of butyl rubber and will get you back on the road!
32mm and 48mm valve
Presta valve
Removable valve core

No more stuffing odd-size replacement tubes into your 27.5"+ bikes, these Q-Tubes Standard 27.5"+ Presta Tubes are designed with your plus sized tires in mind. Grab a few for the trail and be prepared for any mishaps.

FEATURES
32mm valve
27.5"+ speci

Q-Tubes Q-Tubes | Standard 29" Presta Tube

These Quality 700C presta valved tubes(screw top) are offered in a number of sizes for road, touring and cyclocross applications. Valve stems come in different lengths to accomodate different rim profiles.
32, 48, 60 and 80mm valve
Presta (French) Valve

Q-Tubes offer all the performance of more expensive brands without the label. They come in virtually every size imaginable and are ideal for active cyclists who go through many tubes.
traditional butyl rubber construction with Schrader (automotive type)