Self inflating bicycle tire

Ever since John Dunlop invented the pneumatic tire for his son’s tricycle in 1887, tinkerers have crafted various self inflating bicycle tires using either a pump built into the hub or using the compression between tire and road as the pump. San Francisco entrepeneur Benjamin Krempel wants to commercialize this potentially useful idea, calling his product PumpTire and utilizing Kickstarter to crowdfund this endeavor.

Krempel’s PumpTire seems to have merit, but the coolest part of his Kickstarter video is mounting a small video camera in the hub to demonstrate how well the inflator works.



For more, visit PumpTire.com. Props to William in Texas for the tip.



See also:

  1. Planet Bike tire pressure guages?
  2. Flat tire and no patch kit? No problem
  3. Clubfoot tire repair
  4. Giveaway: Used Nashbar 26" studded tire


  • http://twitter.com/Wuss912 Wuss912

    i wonder how it wears…

  • http://bicycledesign.net/2011/08/pumptire-a-self-inflating-bicycle-tire/ PumpTire- a self inflating bicycle tire | Bicycle Design

    [...] on Kickstarter, but the project has been getting quite a bit of attention in the last couple days. Cyclelicious, Bike Hugger, UrbanVelo, Bike Rumor, and Bike Radar are just a few of the bike sites where you can [...]

  • bikesgonewild

    …he patterned it after my self-inflating ego…obviously…

  • http://www.baikbike.com/pumptire-a-self-inflating-bicycle-tire/ PumpTire- a self inflating bicycle tire – BaikBike.com – Malaysia's No.1 Online Cycling Magazine

    [...] on Kickstarter, but the project has been getting quite a bit of attention in the last couple days. Cyclelicious, Bike Hugger, UrbanVelo, Bike Rumor, and Bike Radar are just a few of the bike sites where you can [...]

  • http://www.cyclelicio.us/ Cyclelicious

    Ha! :-)