The result of over ten years of research and development, Keiser M3 Plus Bike is one of the highest quality indoor cycling bikes available. This machine matches revolutionary magnetic resistance technology with a minimalist yet extremely sturdy design that provides a smooth-as-silk ride on a piece of exercise equipment that needs almost no maintenance and will absolutely stand the test of time.

If your goal is to lose weight or get into top fitness, the M3 Plus will get you there. With 24 levels of magnetic resistance this indoor bike provides as challenging a workout as you can handle.

The major advantages of the Keiser M3 Plus Bike are the revolutionary magnetic resistance system (no touching parts, so zero wear and tear), near-silent drive belt, backlit computer display, and fore and aft handlebar adjustment. The design of the bike looks as if Keiser stripped away any unnecessary components and left simply one of the most high-tech yet user-friendly exercise machines you can buy.

PHOTO DISPLAYED IS NOT INDICATIVE OF CONDITION. PLEASE CHECK EQUIPMENT CONDITION WITH YOUR SALES REP.

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Features:

Handlebars: Fore and Aft Adjustable Handlebars
Pedals: Adjustable Shimano™ Combo Pedals
Seat: Comfortable Four-Way Adjustable Seat Position (up, down, forward, backward)
Belt: Anti-Slip Belt that requires no adjustment
Computer: Computer with Backlit M Series Display
Transport: Wheels provide easy transport
Water Bottle Holder: Gravity-Based Water Bottle Holder

Computer Features:

RPM (Revolutions Per Minute)
Power Output Displays in Watts (currently generating)
Heart Rate (Polar compatible)
Pedaling Time
Gear (Resistance) (1 to 24 gears)
Odometer / Trip Distance

DISPLAY

While the M Series Computer is awake, the Backlight Sensor automatically detects ambient light levels in the room and turns on the backlit display when needed.

The M Series Computer is a powerful teaching and M3 COMPUTER programming tool. It can assist both the instructor and the participant by providing immediate feedback as well as the ability to track on-going improvement. The computer can be used as a motivating tool to engage participants in their workouts, as the more participants understand the components of a proper workout, the further they can fine tune their performance.

The M Series Computer displays:
1 – Backlight Sensor
2 – Cadence (RPM)
3 – Power Output (Watts/Kcal)
4 – Heart Rate (HR)
5 – Elapsed Time
6 – Current Gear (Resistance Level)
7 – Odometer / Trip Distance

The M Series Computer gives accurate and precise information instantly, and automatically. It will also display average ride calculations and total distance that has been put on the machine. The Trip Distance feature was initially intended to be used by gyms and facilities to record how much an M3 was used for a given time frame. The odometer does not reflect distance in terms of miles or kilometers, rather something in between. For every 200 turns of the crank arm the distance will reflect as 1.0 on the display. In the future, we may revise the computer’s algorithm to display a more recognizable distance, which will also be influenced by a rider’s pedaling effort or Power.

EDY CURRENT RESISTANCE

An eddy current is an electric current in a conducting material that results from induction by a moving or varying magnetic field. On M Series equipment this is generated by two opposing magnets passing over the flywheel. The flywheel (a conductor) passes through the magnetic field generated by the two powerful magnets. By varying how much of the flywheel comes into contact with the magnetic field you can increase or decrease the amount of resistance for the rider. As no parts in the resistance system ever touch there is no wear on the system.

When the flywheel is turned in proximity of the magnetic field the eddy current is created. The flywheel acts like a conductor with closed circuits. The energy generated by turning the flywheel has nowhere to go, so as it resists it becomes more difficult for the rider to pedal. If the flywheel is in less contact with the magnetic field it’s easier to ride. The more of the flywheel that comes in contact with the magnetic field (the higher the energy that is being generated with each turn) the more difficult it becomes to ride.

Fig. 1. At full resistance the flywheel is in most contact with the magnetic field. When you reduce the amount of contact to the field (move the magnets away) the resistance then decrease

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