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 WT-G Precision Bike Grease to the pedal threads before installing pedals on crankarms. - Pins can be removed for desired grip by using a 3mm hex tool - Included four extra grip pins. More pins are available on the replacement parts page. 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.