Continental standard weight presta valve tube is a great choice for everyday cycling.

FEATURES:

• Seamless and mold cured construction
• Presta and Schrader valves are threaded full length
• Presta and Schrader have removable valve cores

SPECS:

• Labeled Size:650 x 18-25
• ISO Width (mm):18 , 19 , 20 , 21 , 22 , 23 , 24 , 25
• ISO Diameter:571 / 650c
• Shaft Type:Threaded
• Valve:Presta Med 41-55mm
• Valve Core:Removable
• Weight:97