Continental standard weight presta valve tubes.

• Weight: 135g
• Valve: Presta Med 41-55mm
• ISO Diameter 622 / Road / 29"
• ISO Width: 25, 26, 27, 28, 29, 30, 31, 32
• Labeled Size: 700 x 25-32
• Tube Compound: Butyl
• Valve Core: Removable
• Shaft Type: Threaded
• Seamless and mold cured construction
• Presta and Schrader have removable valve cores
• Presta and Schrader valves are threaded full length