A lightweight ride for serious road cyclists Experience the freedom of the open road with speed, style, and precision. Culver is our most lightweight road bike and features a durable aluminum frame designed for efficient energy transfer and responsive control on paved roads. The frame design and drop handlebars offer more nimble handling and support an aerodynamic riding position that can take you to higher speeds. You’ll rule the road confidently with a versatile 14-speed drivetrain for climbing hills, handlebar-mounted thumb shifters for robustly changing gears, and road bike pedals with straps for more efficient pedaling. With Culver, you’ll get to where you’re going as fast as you want to get there.