Easy Installation: The bike pedals are marked with "L" and "R". Rotate "L" in counterclockwise, and Rotate "R" in clockwise. 9/16-inch thread is compatible with most cranks, A free hex wrench is packed for hassle-free installation
Adjustable Clamps: The clamp spring tension of the bicycle pedal clamp is adjustable using a hex wrench, to fit different foot sizes and riding preferences, suitable for men, women and adult riders with various cycling shoes