[SMOOTH BEARINGS: 3 Lubricated sealed ball bearing platform pedals features sturdy and stable keep flat pedals spin smooth and without noise. chrome-molybdenum steel spindle which is stronger than ordinary steel and features better load-bearing performance. GREAT GRIP:18 aluminum ANTI-SKID nails in the surface for efficiency pedaling the package includes an additional 3 screws for spare. This bike pedals prevent your shoes from sliding off when it is wet. Strong grips and better for riding and racing. WIDE PLATFORM & LIGHEWEIGHT: This platform pedals weights only 346g (pair) 3.8" x 3.9" x 0.68" each with the special hollow design will reduce the wind resistance during riding. DURABLE & STURDY: High strength aluminum alloy flat pedals fit for mountain bike pedals road bike pedals bmx pedals exercise bike pedals fixie bike pedals folding bike pedals. "EASY TO INSTALL: CR-L for leftCR-R for right. 9/16 sturdy spindle built to last. Great quality guarantee & limited one-year manufacturers warranty included."]