Cycling Bikes

MB550 Indoor Cycle

  • Felt pad push brake resistance
  • Resistance micro adjustments
  • Single LCD window
  • 48.5 lbs precision balanced flywheel
$679.99 $999.99


MB550 Indoor Cycle

Prepare for the Bicycling Adventure of a Lifetime

The XTERRA Fitness MB550 Indoor Cycle combines the quality, performance, and great looks you desire in an exercise bike. It incorporates numerous thoughtful features that were developed with your performance and comfort in mind. From the heavy 48.5 lb precision balanced flywheel and smooth belt drive system to the electronic console and fully adjustable seat and handlebars, every aspect of the MB550 helps users keep moving and stay motivated. With the XTERRA Fitness status comes our seal of approval with an impressive lifetime frame and 1 year parts and labor warranty. Start on the road to fitness today with the new XTERRA Fitness MB550 Indoor Cycle and exceed your expectations.


Resistance Resistance Micro Adjustments
Flywheel Flywheel 48.51 lb
Display Display 1.5"

Built to Last

48.5 lbs precision balanced flywheel system offers premium fluid motion and is chrome plated to prevent corrosion

Belt Drive Fixed Gear

Smooth and quiet operation and never needs to be oiled like a chain drive system.

Industry-Leading Warranty Coverage

  •   Lifetime frame
  •   1 year brakes
  •   1 year parts
  •   1 year in-home labor

Simple Yet
Effective Interface

The simple easy to read LCD screen displays time of day, stopwatch, timer, current speed, max speed, average speed, distance, and calories.

Turn Knob Resistance

Knob resistance conveniently located below the console allows you to quickly micro adjust the resistance


Adjustable Padded Seat

Ergonomically padded seat is fully adjustable to make your workout comfortable and secure.

Adjustable Pedals

Adjustable foot pedals accommodate a variety of users so you can comfortably go the distance.

Adjustable Multi-position Handlebars

The adjustable handlebars provide multiple workout positions to improve comfort and efficiency of your ride.


Designed for all Spaces

The sleek and compact design has a small footprint and will look great in any space plus built-in transport wheels make moving and storing simple.

Built with Many
Athletes in Mind

Durable frame accommodates users up to 250 lbs.

for Every Level

Get an effective workout no matter your fitness level with resistance micro adjustments.


  1. M
    Highly Recommend

    In love with my bike! The whole process was extremely positive for me, from an attentive and friendly customer service experience to setup. It took a few hours to setup, but with the help of customer service I was able to get up and running (or should I say biking). I had no noise issues with my bike and it feels very sturdy.

  2. R

    I would give this bike more stars if it wasn’t for the noise. I’m not sure if I just didn’t tighten the screws right or if I got a defective one, but whenever I workout the bike creaks. It’s not horribly distracting, but a little annoying and takes away from all the other good features of the bike.

  3. I
    The bike itself is great, but the computer setup makes no sense

    The bike itself seems very solid, and it was easy to put together. I put it together with the help of my 11 year old. It operates pretty smoothly. The only complaint I have is about the computer and the instructions for setting the odometer and wheel size. Setting up the time and inputting my stats was easy, but setting up the odometer and the wheel size makes zero sense. No where in the instructions does it explain which of the two wheel sizes you should choose or why you would choose one over the other. Also, It says to set the odometer to 4330mm, but the display doesn't stay on odometer to do so when I press set, and no where in the illustrations does it show how the computer should look as your setting the odometer to 4330mm. You can also set the wheel size from anywhere from 100mm to 6999mm, but it doesn't show you or explain where or how to do that, and it doesn't make sense if I can press a button on the back to choose a wheel size, which again, I don't know why I would choose one over the other. I'm thinking I should just throw this thing out and get a Wahoo sensor for speed. I don't think this will be accurate. This is very frustrating and disappointing.

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  • Power Source: 2 AAA Batteries (Included)
  • Flywheel Diameter: 16.7"
  • Flywheel Weight: 48.51 lb
  • 3 Piece Crank Arm
  • Felt Pad Push Brake Resistance
  • Micro-Adjustment Resistance Levels
  • Display: LCD No Color / Backlight
  • Display Size: 1.5" diag.
  • Feedback: Time, Speed, Distance, Mode
  • Set-Up Dimension: 45.7" L x 22.4" W x 38.6" H
  • Shipping Dimension: 45.5" L x 10" W x 36.2" H
  • Product Weight: 107.1 lb
  • Shipping Weight: 121.7 lb
  • Max User Weight Capacity: 250 lb
  • Q-Factor: 7"
  • High-density Foam Seat
  • Up/Down/Fore/Aft Seat Adjustments
  • Seat to Pedal Distance: 27.64" to 36.22"
  • Transportation Wheels
  • Lifetime Frame
  • 1 Year Brake
  • 1 Year Parts
  • 1 Year In Home Labor