that would be a cool idea for mountain biking
biGpoppapimp1 2 years ago
weight/gravity energy to spin the wheel after going over a bump...thats a pretty cool idea...
that would be a cool idea for mountain biking
biGpoppapimp1 2 years ago
weight/gravity energy to spin the wheel after going over a bump...thats a pretty cool idea...
biGpoppapimp1 2 years ago