BONTRAGER SELF-SEALING 26x1.75-2.125 SCHRADER VALVE TUBES trek kids Durable all-conditions perforated surface for

Durable all-conditions perforated surface for ventilation

Intelligent operation standby time: 100 hrs

9/16 thread

E-TUBE transmits interactive signals and power supply to each parts by “Plug & play” connection

Charging cycles: 500 - 600

BONTRAGER SELF-SEALING 26x1.75-2.125 SCHRADER VALVE TUBES trek kids Durable all-conditions perforated surface forDurable self sealing tubes to prevent punctures. Self sealing to keep you rolling Protect yourself from flats with these specially designed Self Sealing tubes that instantly seal small hole punctures. Premium quality butyl rubber tubes feature a 0. 9mm wall thickness for the perfect balance of weight savings and durability. Features Bontrager Self Sealing Presta Valve Bicycle Tube 0. 9mm wall thickness The specifically engineered formula instantly