Keiser Indoor Cycle M3i Indoor Bike

Keiser M3i Indoor Bike – The classic indoor bike with M Connect display
The Keiser M3i Indoor Bike (5507BC) is the classic professional version of the legendary M3i series and combines durable mechanics with modern, functional display tracking. It provides all essential performance data in real time and is ideal for fitness studios, classes, and ambitious home workouts.
M Connect Display – Essential training data at a glance
During training, the M Connect display clearly and reliably shows the most important metrics: watts, RPM, kCal, time, and distance—all on an easy-to-read black and white LCD display.
Via the integrated Bluetooth® connectivity, data can be transmitted wirelessly to compatible fitness apps, heart rate sensors, and training platforms.
M Connect Display Features:
• Bluetooth® Wireless Connectivity: Transmit training and heart rate data to apps and devices
• Display: Watts, RPM, kCal, Time, Distance
• Simple black-and-white LCD display: clear and robust
• Automatic backlight for good readability
• Battery-operated: with 2× AA batteries
High-performance technology for efficient training
The low-maintenance Kevlar V-belt drive with a magnetic resistance system ensures a quiet, smooth riding experience. The 24 resistance levels allow for precise workout control—from moderate endurance rides to powerful intervals. The integrated quick-stop function increases safety during intense sessions.
Ergonomics & Comfort without compromise
The stable V-frame construction contributes to high stability. The saddle and handlebar can be adjusted horizontally and vertically four times to achieve an optimal sitting and grip position. The Studio Curved handlebar offers natural, ergonomic hand positions for long training sessions.
The combo pedals (SPD click system + crotch strap) allow for flexible training with click-on shoes or sneakers. A comfort saddle, stretch pads, integrated bottle holder, and a practical media tray complete the package.
Technical specifications at a glance
Resistance system: magnetic brake with 24 levels
Drive: Maintenance-free Kevlar-sheave belt with protective cover
Display: M Connect Display (Bluetooth®-enabled LCD)
Metrics: Watt, RPM, Calories, Time, Distance
Adjustability: Saddle & handlebar horizontal + vertical (4-Way)
Handlebars: Studio Curved Handlebars
User size: 147–213 cm (4’10″–7’0″)
Max. user weight: up to 160 kg
Pedals: Combination pedals (SPD clipless / toe clips)
Extras: Quick stop function, bottle holder, stretch pads, media tray, transport wheels
Power supply: 2× AA batteries
Color: Black with red accents
Weight: 42 kg
Keiser SKU: 5507BC