Product packaging volume: 23.5*14.5*4 Product with packaging weight: 552 g [Model] M80 [Applicable] Mountain bike, city bike, road bike, folding bike [Body] Aluminum die-casting [Axis] 9/16 standard axis, chromium molybdenum steel material, CNC precision machining [Bearings]Needle roller bearings [Packing] Kraft paper box [Size] Approximately 97mm*101mm*24mm [Weight] Approximately 370 grams/pair [Colour: Black [Features] Full CNC process bearing pedals. The hollow design reduces the weight of the pedal and the tread surface is large, The surface uses anodizing process, the product surface is smooth and beautiful and not easy to fade. Laser laser engraving and marking technology can support OEM. The shaft is made of chromium-molybdenum steel, and the installation can use 8MM inner hexagon and 15 split wrench. There is a bearing dust ring at the front and a dustproof screw cover with aluminum alloy screw structure at the rear.