Features: Widening Designs: The board surfaces of this pedal are widened to provide a wide and comfortable contact area and realize the efficient transmission of power. Adjustable Tension: The tension of this bicycles self-locking pedal can be adjustable. You can use the socket tool to set the tension of insertion and removal. High Strength Axis: The axis are made of chromed molybdenum steel axis, which has high strength, effectively ensuring power transportation and improving the speed of stepping frequency. Increase Stepping Frequency: With this self-locking cycling pedals, it are easier to step in and out frequently, better distribute the strength of both legs, and improve the stepping frequency. Easy Installation: The structure of these pedals are simple. And you can directly install these self-locking pedals with simple tools, and these pedals can fit your bike very well. Specifications: Material: Aluminum Alloy Color: Black Golden/Black Package Weight: approx.470g Size: approx.60x70mm/2.36x2.75in (More Size Detail, Please See Photo.) Package Includes: 2Pcs x Bike Pedals note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!