Keiser M3i Total Body Trainer

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RRP £4,499.00 -11%
NOW £3,999.00
In stock
from £55.49 per month
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Shipping costs: Free UK delivery!
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Key Features:
  • Exercise bike and cross trainer hybrid which offers a full-body workout with unlimited magnetic resistance
  • Easy-to-use workout console displays key workout stats with world-leading accuracy
  • High build quality, perfect for commercial gyms and fitness classes
  • Adjustable to accommodate many different user shapes and sizes
  • Compatible with various fitness apps, including the Keiser M Series app

Description: Keiser M3i Total Body Trainer

Work the entire body, upper and lower, with the Keiser M3i Total Body Trainer.

Keiser M3i TBT side view


The M3i Total Body Trainer features the powerful lower body workout of an M3i exercise bike, but also incorporates an upper-body component. Keiser blazed a trail by becoming the first fitness company to use magnetic resistance. This innovation made their cardio machines smooth, quiet, and very close in feel to a road biking experience. It also produces a limitless range of resistance, meaning the user can increase the gears until the bike’s flywheel comes to a complete stop. This provides any level of user with a challenging and productive workout. The M3i’s 3kg flywheel is lighter than other bikes, which helps it maintain its smooth, quiet action. It’s able to generate the high levels of resistance thanks to the single-belt Poly-V drivetrain. The Poly-V style is simple and efficient, used by the automotive industry due to its durability, smoothness, and reliability. The engineering is subject to daily quality tests, and it’s of such a high build quality that it is certified by the internationally-recognised TUV standard. The M3i TBT takes all the best features of the M Series exercise bikes and adds the upper-body workout that can typically be achieved with a cross trainer. Using dual hand grips, you can push and pull to work your arms and upper body, all while cycling to work the legs and lower body, creating an efficient, full-body workout.


The integrated display monitor shows the user only the most essential stats, all on one screen. This means you won’t need to cycle through various different screens in order to find the metric you’re looking for: it’s all there at a glance for you. This stripped-back design means the user can focus on the ride, and it negates the need for buttons to further distract the user. As well as mitigating distraction, the lack of buttons means there’s less risk of maintenance and repair being required, as buttons are often the first parts to wear. The console, in tandem with the TUV-certified drivetrain, displays the most accurate stats available, and the Keiser M Series console is recognised for this. The simple, essentials-only design makes the M3i TBT’s display monitor easy to read and easy to use, allowing you to get on with your workout.

Keiser M3i TBT front view


The exacting standards and rigorous tests put on the design and manufacture of all Keiser products make them truly durable, high-quality pieces of cardio equipment. This, in turn, makes them perfect for commercial environments like gyms and Keiser has always been synonymous with indoor group cycling classes. Thanks to the design, which left no stone unturned in trying to create the perfect commercial fitness products. The flywheel is located at the back of the TBT, which means it is protected from rust and wear moreso than bikes with front-mounted flywheels, because the user’s sweat zone tends to be in the front area. As well as the rear positioning of the flywheel, the frame is designed to channel sweat away from important components using angled edges, further enhancing the machine’s durability and longevity. Front-mounted transport wheels, coupled with the relatively light 51kg frame, makes moving the M3i TBT simple and easy.


The V-shape frame replicates the feel and look of an outdoor road bike, and the height of the saddle can be easily adjusted to accommodate differing ride height requirements. The range of height possible is 4’10 to 6’10, which covers a huge demographic. The saddle can also be adjusted horizontally, forwards and backwards, to add further possible customisation. The large handles on the upper-body part of the trainer allow for a variety of grip styles. The SPD pedals feature curved crank arms which are designed to fit any rider, and the pedals themselves have a toe cage which is built-in, instead of simply fastened on later in the manufacturing process. If you don’t want a full-body workout at any time, that’s fine too—a foot platform allows the upper-body trainer to be used independently of the cycling component, and vice-versa, simply cycle and give your arms a rest if that’s the workout you need at that time. The M3i TBT is ready for whatever workout you throw at it.

Keiser M3i TBT compatible apps


The M3i TBT is compatible with the free Keiser M Series app, which allows you to track your progress with a more extensive suite of workout metrics. You can monitor your progress using the slick, easy-to-understand visualisations. Guided workout sessions will help you take your training to the next level, and there’s the choice of different durations, difficulties, and formats to help you tailor your workout to your needs. You can also track your progress over time, and the M Series app can be connected to Apple Health, Strava, and more.

As well as the M Series app, the M3i TBT is compatible with a huge range of other apps and services, such as Zwift, Tacx, Peloton, and Kinomaps. There’s also the capability to connect up group projection systems such as Myzone, Spivi, and Bkool. Other features include a stretch pad on the base of the machine, which helps with pre- and post-workout stretches, and adjustable levellers.

Specification: Keiser M3i Total Body Trainer

51 kg
Maximum User Weight
159 kg
Dimensions Open
123x74x137 cm (LxWxH)
Resistance type
Magnetic - manual
Flywheel weight
3 kg
Power supply
Self Powered
Flywheel position
Console - Cockpit
Display type
Display feedback
Console Power Supply
Self Powered
Comfort and Security
Pedal type
SPD only
Transport Wheels
Saddle adjustable (tilt and angle)
Saddle adjustment (back and forward)

Warranty conditions for Keiser M3i Total Body Trainer

For further information on the warranty, please refer to the manufacturer's terms of warranty. The manufacturer's warranty is an extra service and does not affect your statutory rights.

Manufacturer's warranty PartsNon Wearable PartsFrame
Home 6 months2 years10 years
Commercial 6 months2 years10 years

Downloads: Keiser M3i Total Body Trainer

Technical Details

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Step 1: Enter Deposit
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Loan Term 6 Months12 Months24 Months48 Months
Cash Price £3,999.00£3,999.00£3,999.00£3,999.00
Amount of Deposit £1,999.50£1,999.50£1,999.50£1,999.50
Total Amount of Credit £1,999.50£1,999.50£1,999.50£1,999.50
Annual Rate of Interest 0.00%0.00%8.09%8.30%
Monthly Repayment £333.25£166.63£96.80£55.49
Representative APR 0.00%0.00%15.90%15.90%
Total Cost of Credit £0.00£0.00£323.79£664.14
Total Amount Payable £3,999.00£3,999.00£4,322.79£4,663.14
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