The Promax PR40 is a budget-friendly aero road bike with an alloy frame, 2x8 drivetrain, and sleek design perfect for beginners and casual riders.

The Promax PR40 features an aero smooth welded frame paired with a smooth alloy welded fork. It is equipped with a Ltwoo R3 2x8-speed shifter, 8-speed rear derailleur, and 2-speed front derailleur. The aluminum dropbar measures 400x31.8x2.2 mm, complemented by an 80x31.8x28.6 mm stem and an aero-style aluminum seatpost. The crankset consists of aluminum arms sized 170x50x34T, matched with an 8-speed 28T sprocket. Quick-release 32H hubs, double-wall 32H x 30mm aluminum rims, tanwall 700x25c tires, alloy C brakes, and a mosaic saddle complete this performance-driven bike.