Tyres that don't go down!!!
http://www.dailymail.co.uk/sciencetech/article-2228235/The-revolutionary-airless-mountain-bike-tyres-puncture-proof-help-faster.html
See you in the mud later!!!
http://www.dailymail.co.uk/sciencetech/article-2228235/The-revolutionary-airless-mountain-bike-tyres-puncture-proof-help-faster.html
See you in the mud later!!!