About this item Double Functions The HONGYEA pedal has 2 sides; one side works as SPD pedal, including cleats, Applicable with SPD bike mountaineering shoes to save power and improve pedaling efficiency, the other side works as traditional flat pedals, compatible with all everyday shoes Width bearing surface & super grip & Non-slip 10.5 cm wide and 11.7 cm long. The flat platform pedals offer more grip and support the driver when adjusting the step position and angle, the 10 stainless steel cleats on the flat sides, non-slip, even in rough terrain you cannot slip thanks to the pins; the more friction offer Sufficient grip that prevents the shoes from slipping off the pedals; the latches in the clipless pedal are easy to clip in and out Cr-Mo Sealed Bearing SpindlesEquipped with 1 DU, Total 3 sealed bearings keep the pedal spindle from water and dust to help the pedal work more smoothly. Avoid friction noise caused by rust when cycling, the wide pedal can be a long-term companion when cycling Universal fit & Easy to installInternational standard size, 9/16", universal fit for almost all types of bikes, compatible with BMX, MTB, mountain bike, folding bikes, road bikes, electric bikes, trekking bikes, fitness bikes, cruiser folding bikes, touring, urban bikesThanks to the right (R) and left (L) Markings, Assembly was very easy High quality pedals bike The pedal body is made of CNC aluminum and Cr-Mo steel, very strong, sturdy and wear-resistant, offers long service life, weight only 231, 9g, light bearing, easy and convenient to use;