MAXXIS 650Bx18-25 Ultralight Tube Presta 48mm

• Ultralight tubes are lightweight and durable, ready for racing.
• .60mm thin walls
• Lightweight and durable for racing

Specifications:

• Labeled Size: 650 x 18-25
• ISO Width (mm): 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25
• ISO Diameter: 584 / 650b / 27.5"
• Shaft Type: Threaded
• Valve: Presta
• Valve Core: Removable
• Tube Compound: Butyl