Slime 30049 Smart Tube Bicycle Inner Tube, 20

All Slime Smart Tubes are factory-filled with a precise volume of Slime Tube Sealant. Smart Tubes instantly seek out and seal punctures as they occur. preventing flats repeatedly and continuously for up to two years. Ride without worries.

Highlights:

• 20 tube with Schrader valve
• Size: 20 X 1.50 to 2.125
• Schrader valve
• Self healing tube
• Pre-filled with Slime tire sealant
• Fibro-Seal technology
• Seals instantly
• Non-toxic sealant
• Once installed the Smart tube will work continuously and instantly seal most punctures in the tread up to 1/8
• Peggable box