PUBLIC Bikes V1 Single-Speed City Bike Affordable, practical, and lightweight single-speed city bike; features matching fenders, chain guard, kickstand and rack mounts High quality lightweight steel frame with classic upright geometry offers an unbelievably smooth ride on rough city streets, with a lifetime warranty Single-speed gearing is reliable and low-maintenance, for easy pedaling (and coasting ) in flat areas and light-to-moderate hills Strong front and rear brakes with modern dual-pivot alloy brake calipers offer quick stopping power even on steep San Francisco hills What's your size? Small/18-inch frame: 5'2" 5'7"; Large/21.5-inch frame: 5'8" 6'2"