how to make a homemade stationary bikes without bike trainer?
Thursday, July 15th, 2010
shawn s asked:
i have no problem to build the base and the hang for the bike, but how can i make a mechanism that will make the petal harder to push? any ideas?
i have no problem to build the base and the hang for the bike, but how can i make a mechanism that will make the petal harder to push? any ideas?