About this item Steel low-step tandem frame with lugged fork offer comfort and style. Recommended rider heights: Captain 70-73-inches tall; stoker 63 to 67 inches tall 7-speed twist shifters provide smooth shifting Alloy caliper brakes deliver excellent stopping power Typhoon dual density grips and classic saddles are comfortable and stylish 650 x 45c urban tires are rugged and fast rolling. Schwinn alloy cranks, pedals, and wheels are lightweight and durable