21" TREK Navigator 2.0 Aluminum Comfort Commuter Utility Bike ~5'11"-6'3"
Urban | Montague Bikes
Amazon.com : Schwinn Discover Hybrid Bike for Men and Women, 21-Speed, 28-inch Wheels, 16-inch/Small Frame, White : Hybrid Bicycles : Sports & Outdoors
Giant Boulder SE mountain 21" frame 21 speed 26" wheels bike | eBay
Sportif 2.1 – Fuji Bikes
Giant Sedona DX - 21" - Wheel & Sprocket | One of America's Best Bike Shops
Adult BMX bikes | Shop BMX bikes for adults at Back Bone BMX