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Fitnex B55SG Upright Exercise Bike
Compact Power. Smooth Performance. Smart Fitness.
Take your cardio workouts to the next level with the Fitnex B55SG Upright Exercise Bike — a self-powered, light commercial-quality fitness bike engineered for smooth, quiet, and effective training. With 16 ECB magnetic resistance levels, a 5.5” backlit LCD display, and 22 built-in workout programs, this upright bike adapts perfectly to your fitness goals — from endurance and fat burn to interval and heart rate control training.
Built for home users, the Fitnex B55SG combines modern design, energy-efficient performance, and long-lasting durability. Its self-generating power system means no cords, no outlets, and no limits — giving you the freedom to train anywhere.
Why You’ll Love It
Self-Powered Design
Save energy and space — the B55SG Upright Bike generates its own power, so you can ride cord-free while enjoying a consistent and efficient workout.
Customizable Resistance
The ECB magnetic system delivers a whisper-quiet, maintenance-free ride across 16 resistance levels for all skill levels — from casual riders to serious athletes.
Smart LCD Display & Training Variety
Stay motivated with the 5.5” backlit LCD console that tracks your performance in real time — including time, distance, RPM, pulse, watt output, and calories burned.
Choose from 22 pre-programmed workouts, including fat burn, cardio, interval, user-defined, and heart rate control programs.
Comfort Meets Performance
The ergonomically designed seat with vertical adjustment ensures proper posture, while the dual self-balancing pedals and easy-adjust straps keep your ride stable and secure.
Compact, Durable, and Convenient
With built-in transport wheels, integrated water bottle holder, and accessory storage rack, this bike offers commercial reliability in a space-saving design.
Train Anywhere. Anytime. Effortlessly.
The Fitnex B55SG Upright Exercise Bike combines energy-efficient technology, premium comfort, and durable engineering for a professional-grade cycling experience in your home or studio. Whether you’re improving stamina, toning muscles, or burning fat, the B55SG delivers everything you need for results that last.
Compact, self-powered, and built to perform — the Fitnex B55SG is where smart fitness begins.