PUBLIC Bikes C7i Dutch-Style Commuter Bike Affordable, reliable Dutch-style single-speed city bike ideal for both everyday commuting and casual riding Easy-shifting Shimano Nexus 7-speed internally geared rear hub Curved, open, step-through Dutch frame design enables easy entry and exit in everyday clothing Durable, lightweight hi-tensile steel frame; modern dual pivot alloy brakes; upright handlebars; color-matching fenders and chain guard Frame sizes -- Small/Medium (16-inch) fits riders 4' 8" to 5' 5"; Medium/Large (20-inch) fits riders 5' 6" to 5' 10"