The Keiser M3i Indoor Bike combines commercial-grade durability with advanced connectivity to deliver a smooth, quiet, and highly customizable indoor cycling experience for riders of all fitness levels. Engineered with Keiser’s signature rear-mounted flywheel design, the M3i helps protect critical components from sweat and corrosion while reducing maintenance over time. Its magnetic resistance system provides seamless, whisper-quiet performance with 24 resistance levels that mimic the feel of a real road bike ride.
Designed to fit nearly every rider, the M3i features a unique V-shaped frame with four-way adjustable handlebars and seat positioning to create a personalized riding setup. The self-tensioning Poly-V belt drive delivers consistent performance with minimal upkeep, while the ergonomic handlebars, transport wheels, media tray, water bottle holder, and integrated stretch pads add comfort and convenience to every workout.
The upgraded M Connect Display allows riders to track key performance metrics including cadence, watts, calories, distance, gear level, and heart rate all from one easy-to-read console. Bluetooth connectivity also enables seamless pairing with popular cycling and fitness apps, heart rate monitors, smartphones, tablets, and smart TVs for a more immersive training experience. Built in the USA with commercial-quality craftsmanship, the Keiser M3i Indoor Bike is trusted by professional athletes, fitness studios, gyms, and home users looking for long-lasting performance and premium ride quality.
Features
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Magnetic resistance system delivers a smooth, quiet, and low-maintenance ride
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Rear-mounted flywheel design helps protect components from sweat and corrosion
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24 resistance levels allow for precise workout intensity adjustments
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V-shaped frame design accommodates a wide range of rider heights and body types
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Four-way adjustable handlebars and seat for a customized riding position
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Self-tensioning Poly-V belt drive provides consistent and reliable performance
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Bluetooth-enabled M Connect Display syncs with popular fitness and cycling apps
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Tracks cadence, watts, calories, distance, resistance level, and heart rate
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Compatible with Bluetooth heart rate monitors, smartphones, tablets, and smart TVs
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Ergonomic handlebars offer multiple hand positions for added comfort
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Integrated media tray keeps devices within easy reach during workouts
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Built-in stretch pads support warm-up and recovery exercises
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Transport wheels allow for easy movement and positioning
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Commercial-grade construction trusted by gyms, studios, and professional athletes
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Made in the USA with durable, precision-engineered components
Specifications
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Power Source: Battery-powered console
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Maximum User Weight: 350 lbs
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Product Weight: Approximately 92 lbs
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Dimensions: 49" L x 26" W x 51" H
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Assembly: Some assembly required
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Flywheel Location: Rear-mounted design
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Pedals: Dual-sided SPD-compatible pedals with toe cages
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Usage: Commercial and residential
Assembly
Keiser M3i User Manual (Click Here)
YouTube Video Instructions for Keiser M3i (Click Here)
M Connect Display Youtube Video Tour (Click Here)
Warranty
Keiser M3i Warranty
- 3-Year warranty coverage on the Keiser M3i Indoor Bike against defects in materials and workmanship (excluding labor and wearable parts)
- 90-Day warranty on wearable components including T-handles, pedal cages, pedal straps, and saddle upholstery
- Warranty coverage begins on the original delivery date as confirmed by shipping documentation
- Unauthorized modifications or alterations to the equipment may void warranty coverage
- Third-party products distributed by Keiser are covered under their respective manufacturer warranties
- Defective parts may be repaired or replaced at Keiser’s discretion during the warranty period
- Labor costs for part removal and installation are not included under warranty coverage
- Warranty claims must be submitted in writing with return authorization approved by Keiser
- Customers are responsible for transportation costs related to warranty service and part exchanges
- Replacement parts and products are covered for the remainder of the original warranty period
Not covered under warranty:
- Loss caused by accident, abuse, improper use or neglect
- Improper maintenance
- Improper assembly by the purchaser
- Failure to follow instructions as stated in the Parts and Maintenance Manual
