<b>Material</b>: aluminium alloy main part, steel axis, built-in bearing.<br> <b>Weight</b>: 330g/pair<br> <b>Color</b>: Black<br> <b>Size</b>: 125mm X 100mm X 18mm (Force area: 95mm X 100mm X 18mm)<br> Compatible with MTB, BMX, Road bikes etc.<br><br><br> <b>How to remove the pedal from a bike?</b><br>Answer: Righ pedal turn it counter clockwise, left pedal turn it clockwise. (Installation operation is on the contrary).