Samyo CNC Bicycle Bike Platform Flat Pedals Titanium Alloy Spindle Ti Axle for MTB / Road / Folding Bike Very lightweight and easy to install, Only 6 Ounces/pair (170g). Material: CNC machined aluminum alloy body + CNC machined Titanium axle. 3 sealed Cartridge bearing. Size:3.15*3.15*0.67 Inches.