Features: The shaft size is 14mm, pedals for bike perfect fit for most bikes, like Mountain Bike/Road Bike/Folding Bike. These alloy mountain bike pedals are equipped with ultra smooth bearing system to optimize every pedal stroke. Bearing bicycle pedals are more smooth than normal pedals and still also feature durability at the mean for time. The mountain bike pedals use high-strength aluminum alloy material and stable Y-shaped structure design to make pedal more sturdy. Completed sealed bearing road bike pedals protect spindles from water and dust which will cause noise and other problems. Offering best for protection for the interior and effectively prolonging the lifespan of the bicycle pedal. Specifications: Material: Alloy Aluminum Color: Black/Red/Blue/Orange/Green/for Titanium Size: As the picture shows Package Includes: 1 Pair Bicycle Pedal note: 1.Please allow 0-3mm errors due to manual measurement. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.