Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer
Stretch Pads Included! - Keiser M3i Total Body Trainer
Keiser M3i Total Body Trainer w/ Optional Media Holder

Vendor:Keiser

Keiser Fitness M3i Total Body Trainer

$2,630.00

Sku:  005512BBC

Estimated Delivery 10-14 Days

Pairs well with
Description

Keiser M3i Total Body Trainer

The Keiser M3i Total Body Trainer is the newest innovation in the Keiser M Series Cardio Line, combining the smooth, whisper-quiet magnetic resistance system of the Keiser M3i Indoor Cycle with the versatility of a full-body trainer. Designed for those who want to engage both the upper and lower body, or isolate each independently—this machine delivers a highly effective, low-impact workout for all fitness levels.

Developed through over a decade of research and real-world feedback from elite trainers and top fitness clubs, the M3i Total Body Trainer offers exceptional durability, cutting-edge performance tracking, and unmatched ride smoothness. Its corrosion-resistant frame, wear-free resistance system, and virtually maintenance-free operation make it an ideal choice for both home and commercial use.

Key Features & Benefits:

  • Full-body or isolated training – Engage both arms and legs together or target upper or lower body separately.

  • Award-winning M Series technology – Same proven design and ride feel as the Keiser M3i Indoor Cycle.

  • Eddy Current Magnetic Resistance – Smooth, precise, and contact-free system that never wears out.

  • Advanced console with Power Meter – Tracks watts, RPM, heart rate, and more for performance-driven training.

  • Bluetooth® connectivity – Sync with popular fitness apps and wireless heart rate monitors.

  • Ultra-durable build – Corrosion-resistant materials and minimal maintenance requirements.

  • Whisper-quiet operation – Perfect for early mornings, shared spaces, or noise-sensitive environments.

The Science Behind Eddy Current Resistance:
Keiser’s eddy current system uses two powerful magnets positioned near the flywheel. As the flywheel spins through the magnetic field, it generates resistance without physical contact—resulting in zero wear on parts and a consistently smooth ride. Resistance increases naturally with speed, mirroring the physics of outdoor cycling, and can be precisely adjusted to match your training goals.

Keiser Fitness M3i Total Body Trainer

Why Power Matters:
Unlike traditional cardio equipment where resistance is tied to speed, the M3i lets you fine-tune intensity for optimal power output. Power (watts) = Force × Velocity, meaning the harder you push and the faster you pedal, the more work you produce. This metric-driven approach benefits everyone—from older adults improving functional strength to elite athletes chasing performance gains.

Details:

  • Drive System: Belt drive with magnetic resistance

  • Resistance Type: Eddy Current Magnetic

  • Console: Backlit display with power meter and Bluetooth®

  • Training Modes: Full body, upper body only, or lower body only

  • Frame: Corrosion-resistant, commercial-grade construction

  • Maintenance: Virtually maintenance-free

Perfect For:

  • Home users wanting versatile, total-body cardio in one compact machine

  • Commercial facilities seeking durable, low-maintenance performance equipment

  • Athletes training with precision metrics like watts, cadence, and power zones

 

Specifications
Specifications data
Height: 54” / 1372 mm

Width: 29” / 737 mm

Depth: 49” / 1245 mm

Weight: 112 lbs / 51 kg
Warranty
Warranty data
ALL PRODUCT – LIMITED WARRANTY

10 Years
• Structural Integrity of Frame Members

3 Years
• Cylinders
• Displays
• Processor Boxes
• Thumb Buttons (except plastic parts*)
*1-year warranty if used with compressor(s) without a drying mechanism

2 Years
• Compressor and Dryer
• Cables
• Pulleys
• Bearings

1 Year
• Chrome

90 Days
• Paint
• Upholstery
• Seat Belts
• Hand Grips
• Other Rubber and Plastic Components

KEISER M SERIES CARDIO WARRANTY

3 Years
• All-Inclusive Coverage (excluding labor and wearable parts)

90 Days – Wearable Parts
• “T” Handles
• Pedal Cage
• Pedal Strap
• Saddle Upholstery
FAQs
Frequently asked question

Is the Keiser M3i Total Body Trainer worth the investment compared to standard upright bikes?

Yes, if you want more than a lower-body workout. The M3i combines a premium indoor cycling experience with full-body training capability, letting you engage your arms, shoulders, and core simultaneously—or isolate each independently. Its commercial-grade magnetic resistance, whisper-quiet operation, and durable build make it a long-term investment that outperforms basic upright bikes for versatility, performance, and overall value.

What warranty does the Keiser M3i Total Body Trainer come with?

The Keiser M3i Total Body Trainer is backed by Keiser's industry-leading warranty, which typically covers the frame, parts, and components for an extended period. Specific warranty terms may vary by retailer. We recommend confirming current warranty details at checkout or contacting our support team before purchasing to ensure you have complete coverage information for your investment.

What makes the Keiser M3i different from a standard indoor cycle?

Unlike a standard indoor cycle that only trains your legs, the M3i features moving handlebars that engage your upper body simultaneously. You can work your arms, chest, and shoulders alongside your legs, or lock out the upper body and ride traditionally. This dual-mode design makes it a true total body cardio trainer rather than a single-function cycling machine.

Is the Keiser M3i Total Body Trainer suitable for beginners?

Absolutely. The M3i is designed for all fitness levels. Its magnetic resistance system offers smooth, precise adjustments, making it easy for beginners to start light and gradually increase intensity. The low-impact nature of the workout is also gentle on joints, making it an excellent choice for those returning from injury, older adults, or anyone new to structured cardio exercise.

How loud is the Keiser M3i during a workout?

The Keiser M3i uses a magnetic resistance system rather than friction-based mechanics, resulting in an exceptionally quiet ride often described as whisper-quiet. This makes it ideal for home use, apartment living, or shared spaces where noise is a concern. You can work out early in the morning or late at night without disturbing others nearby.

What type of maintenance does the Keiser M3i Total Body Trainer require?

The M3i requires minimal maintenance thanks to its magnetic resistance system, which has no direct contact between resistance components—eliminating the need for brake pad replacements or friction adjustments. Regular upkeep includes wiping down the frame and handlebars after use, checking bolt tightness periodically, and keeping the unit in a dry environment. It's designed to be a low-maintenance, long-lasting machine.
{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"left","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":20,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":10,"triggerOffsetY":10,"triggerRadius":"50%"}}
false