Ski Biking Mt. Heavenly Go Pro HD

My friends and I riding ski bikes on mt heavenly april,18,2010

[@OurLucylocket]

Ah Im going skiing in 2 weeks .. I must have a go on one of these bikes .. I got a Go Pro camera for crimbo cant wait to do this .. !

[@Kingegle33]

kick ass! they have a brake or or do you just use your feet?

[@UintaGaming]

did you guys build those? if so how? please respond!!!