The Q-Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability.

• Dealers can expect to receive mixed packaging for a period of time as the Q-Tubes brand is phased out and replaced by Teravail tubes. In all cases Teravail tubes will serve the same functional range as their predecessors at a minimum. In some cases Teravail tubes may serve a broader functional range.
• .9mm wall thickness
• Removable Presta valve core
• Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard
• Master Cartons of Q-Tubes Standard Line tubes contain a total of fifty tubes: Five inner cartons of ten individually boxed tubes
• Intended Age – 13 years of age and over, Not intended for children’s bicycle replacement tubes. 
• Labeled Size: 20 x 1.75-2.125
• ISO Width (mm): 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57
• Wall Thickess: 0.9
• ISO Diameter: 406 / 20" BMX
• Shaft Type: Threaded
• Valve: Presta Short 32-40mm
• Valve Core: Removable
• Weight: 132
• Tube Compound: Buty