the bicycle pedal spindle was totally sealed to prevents water and dust from entering; Equipped with reflectors on the sides of bicycle pedals, which are visible from the distance, can be applied as a decoration and also improve safety the platform pedal is about 4.7 x 3.7 x 1.18 inch; Big and wide platform pedal provides strong driving force with the long boron steel spindles on both surfaces, which make it great for long time riding and make you feel comfort the bike pedals provide nice metal grips on both sides to the large and wide contact surface, keeping your feet positioned right on the pedals and helping you easy to control the pedals Wide application: the road bike pedal is 9/16 inch spindle, suitable for most 9/16 spindle bikes like BMX bike, MTB bike, etc.; Please measure the size before purchase and be informed that our pedals are divided into left and right pedals; Please see the L and R of the pedals clearly before installation, i.e. left and right pedals; PLease note: the suitable size of the bicycle pedal is 9/16 inch; The interface bearing is not sleek design, but with a sense of friction, which can save more effort International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.