Wolf Tooth Waveform Performance Aluminum Pedals are designed for all-mountain riding. Trail to downhill, laps in the bike park, and everything in-between. The pedals provide a supportive platform, shaped to match the footprint of your shoe. They have a slim, dual-concave profile that is 16mm thick at the perimeter and just 13.5mm thick in the center, cradling your foot for optimal pedal feel. Each side of the pedal has 9 steel rear-loading pins for loads of traction. The design also features a large, tapered leading edge to deflect pedal strikes on rough terrain. A custom radial seal protects three fully sealed cartridge bearings for low-friction riding in all conditions. Large platform measures 112mm x 106mm Three high-precision, low-friction sealed bearings designed specifically for this pedal, with one inboard igus bushing Custom radial seal to protect internal hardware from water, dirt, and trail debris Nine steel, rear-loading 4.5mm pins per side Dual Concavity secures your feet firmly in place on the pedals, both front-to-back and side-to-side Tapered leading edge deflects pedal strikes Available in five colors Recommended Apply an assembly grease to the pedal threads before installing pedals on crankarms. Pins can be removed for desired grip by using a 3mm hex tool. Includes four extra grip pins. See installation instructions for recommendations on installing pins. Compatibility Fits all cranks with 9/16-20 tpi right- and left-hand threads – some kid’s bikes and vintage bikes may have smaller incompatible threads.