Features: Craft from quality alloy steel, this freewheels boasts great durability and impacts resistance, ensuring long timing performances even under demanding conditions. Enhances your biking experience with our 5 speed folding bike freewheels, designs for unseamed gear transiting and great riding efficiency across varied terrains. With its light weight designs and anticorrosion treatments, this freewheels not only reduces overall bike weight but also extends product lifespans. Great for city commuters, casual cyclists, and also folding bike enthusiasts seek to upgraded their ride with high performances component. Perfect for daily commutes, weekends ride in public garden, or countrysides trail, allowing you to adjust speed effortlessly to suit the environment. Specifications: Materials: Alloy Steel Color: As The Picture Shows Package Weight: approx.166g Size: approx.74x33.5mm/2.91x1.31in (More Size Detail, Please See Picture.) Package Includes: 1Pc Folding Bike Freewheels note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!