I use 1 tube and bring along an extension. With your bike there was a small black extension tool (super small). If I flat the front you could screw it on and pump it up and then fix it better when the race/ride is over. Maybe there are better options.
Dan Kennison
facebook: @triPremierBike
http://www.PremierBike.com
http://www.PositionOneSports.com
Dan Kennison
facebook: @triPremierBike
http://www.PremierBike.com
http://www.PositionOneSports.com