На #Kickstarter сейчас можно "прикупить" покрышки для велосипеда, которым не страшен прокол. Да и вообще накачивать не надо
https://www.kickstarter.com/projects/1340586869/nexo-tires-and-ever-tires-flat-free-forever?ref=newest
https://www.kickstarter.com/projects/1340586869/nexo-tires-and-ever-tires-flat-free-forever?ref=newest
Kickstarter
Nexo Tires: Flat Free Bikes Forever
Never deal with flat tires on your bicycle again. No air, no liners, just genius design and custom materials to ensure you keep riding.