The generator of bicycle

[DarkLinkAD]

Im thinking its time for a smaller pully lol

[5horsepower]

youl be way more effecient more power less enerygy wasted by the guy on the bike who looks like hes ready to pass out

[5horsepower]

that guy sucks at biking lol raise the seat go to a higher gear

[derjew]

chinese bikes are so shitty they dont even have gears, their meant for going 5mph through citys.

[yrralebutuoy]

background music helps to break up the monotony and to maintain a rhythm