Blackburn Blackburn 20" Self Sealing Bike Tube - Black

Blackburn Self-Seal Inner Tubes stop flats while you ride. The liquid sealant inside seals most holes up to 1/8" instantly while you ride. The seal lasts the life of the tire and will not freeze or dry out. See tire sidewall for Max PSI – Do Not Overinflate. Valve type & length: Schrader; 40mm with valve core cap. •Pre-installed, no mess Liquid Sealant seals punctures for up to 2 years. Sealant will not dry or freeze.
•Instantly seals punctures up to 1/8" as you ride.
•Tube Weight - 340g
•Valve type & length: Schrader; 40mm with valve core cap
•Great for BMX, Kids and Mountain