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Keiser M3 / Keiser M3+ / Keiser M3i Comparison Chart

Keiser M3 / Keiser M3+ / Keiser M3i Comparison Chart

Compare, Research, & Review the differences, features, and specs of Keiser M3, M3+ and M3i at Fitness Superstore. The chart provides side by side comparisons, so you can select various models.

Keiser M3 Indoor Cycle w/ Computer

Keiser M3+ Indoor Cycle

Keiser M3i Indoor Cycle

Type Spin Bike Spin Bike
Console Computer with Backlit M Series Display Computer with Backlit M Series Display
Electronic Readouts 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 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
Resistance System Magnetic Magnetic
Infinite Resistance Adjustment Yes Yes
Flywheel 8 lbs 8 lbs
Heart Rate Monitoring Polar H9 Heart Rate Monitor Polar H9 Heart Rate Monitor
Pre-set Holes in the Adjustment Pole None None
Connectivity None None
Four-Way Adjustable Seat Position Up, Down, Forward, and Backward Up, Down, Forward, and Backward
Adjustable Handle Bars Height Only Yes (Fore and Aft Adjustable Handlebars)
Weight Stack Increments Plate Loaded Plate Loaded
Anti-Slip Belt No adjustment Needed No adjustment Needed
Smooth Resistance Shifter Yes Yes
Wheels for easy transportation Yes Yes
Non Wear Magnetic Resistance Yes Yes
Virtually Maintenance Free Yes Yes
Water Bottle Holder Yes Yes
Certifications Unknown Unknown
Machine Weight 85 lbs (33.5 kg) 140 pounds (63.5 kg)
Maximum User Weight 300 lbs (136 kg) 300 lbs (136 kg)
Dimensions 49" L x 26" W x 45" H (124.5 cm x 66.04 cm x 114.3 cm) 48.3″ L x 25.8″ W x 44.5” H (113 cm x 65.4 cm x 122.6 cm)