How often do you oil your chain and grease your bearings?
Saw a video on line where a guy used a old 10 speed mountain bike and made a wind turbine. He could change gears to suit the wind speed. Just wondering how long the bearings and chain could go without maintenance?
Saw a video on line where a guy used a old 10 speed mountain bike and made a wind turbine. He could change gears to suit the wind speed. Just wondering how long the bearings and chain could go without maintenance?