Schwinn Men's Axios TT 700c Drop Bar Triathlon Road Bicycle, White, 18-Inch Frame Schwinn aluminum road frame with road fork for quick agile riding Full Shimano 14 speed drivetrain with Microshift integrated brake lever shifting High profile alloy rims with paired spokes are lightweight and strong, front quick release Promax alloy caliper road brakes for great breaking power SR Suntour alloy crank for wide gear range Aerobar extensions for added comfort on long rides