Sunny Health & Fitness Endurance Belt Drive Magnetic Indoor Exercise Cycle Bike - SF-B1877

In stock

The Endurance Magnetic Indoor Exercise Cycle Bike model SF-B1877 is an excellent belt driven system model for low impact fitness. The performance monitor allows you to track your Speed, Distance, Time, Calories, Odometer, RPM, and Pulse. Excellent for beginners, fitness enthusiasts, or anyone needing recovery training to start an in-home calorie burning workout routine. Adjustable magnetic resistance allows you to change up your exercise cycling routine making every home workout session feel different. Designed to last, feel confident riding this durable stationary bike with a 265 lb maximum user weight. The Endurance Magnetic Exercise Bike model SF-B1877 will push your stamina, performance, and fitness to the next level!


Performance Monitor

Real time stats include time,  speed, distance, calories, odometer, RPM, Pulse tracking and scan.

Magnetic Resistance

Adjustable magnetic resistance provides smooth contactless resistance and is virtually maintenance free.


206mm: Lower Q-factors provide better biomechanical and ergonomic efficiency. This allows the rider to pedal faster and harder more effectively.

Device Holder

Follow along to your favorite Sunny Health & Fitness training videos on your tablet or mobile device.

Bottle Holder

Stay hydrated to be ready to exercise for extended training sessions.

Durable Frame

265 lb max user weight with sturdy frame built to last.

Adjustable Seat

4-Way adjustable seat to help you stay in proper form.

Adjustable Handlebars

2-Way adjustable handlebars for fit and comfort.

Pulse Sensors

Monitor/maintain goal heartrate. The steadier & more prolonged elevated heartrate is during workout, more fat is burned.

Transportation Wheels

Tilt and roll away for easy storage with convenient transport wheels allowing easy movement of equipment.

Floor Stabalizers

Stabilizers help create balance, even on uneven floors! Exercise more intensely without worrying about rocking/tilting.


  • Device Holder Yes
  • Digital Monitor Calories, Distance, Odometer, Pulse, RPM, Speed, Time, Scan
  • Flywheel Weight 29 Lb
  • Pulse Sensor Yes
  • Resistance Levels Micro-Adjustable


  • Bottle Holder Yes
  • Handlebar Adjustment Up/Down
  • Inseam Adjustment Min 27 In/Max 37 In
  • Pedal Type Caged
  • Seat Adjustment Up/Down & Forward/Back
  • Seat Dimensions 10.5L X 9.8W X 2.36H In
  • Seat To Handlebar Distance Min 14.5 In/Max 19.29 In
  • Transportation Wheels Yes


  • Drive Mechanism Belt Drive
  • Emergency Stop Brake Yes
  • Floor Stabilizers Yes
  • Max User Weight 265 Lb
  • Q-Factor 206mm
  • Tension System Magnetic


  • Product Dimensions 48.8L X 20.1W X 48.6H In
  • Product Weight 82.9 Lb
  • Ship Dimensions 40.7L X 9.4W X 34.6H In
  • Ship Weight 95 Lb
  • Warranty 3 Year Structural Frame, 180 Days Other Parts And Components

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