Keiser
Keiser M3i Total Body Trainer Assault Bike
Keiser M3i Total Body Trainer Assault Bike
Delivery Information
Delivery Information
If an item is in stock, it will typically be dispatched promptly, with delivery expected within 14 working days.
If a product is out of stock or made to order, lead times can be up to 12 weeks.
Commercial and customisable orders generally have lead times of 6–12 weeks, depending on the product and supplier.
If an item has a longer lead time than expected, we’ll contact you to confirm before processing the order. If you’re not happy to wait, your order can be cancelled.
The cost of shipping for orders under £1000 will be calculated by weight at the checkout.
Orders of £1000 qualify for free standard delivery.
For some brands, we offer free delivery regardless of order value. Where applicable, this will be clearly shown at the checkout and in the product description under the delivery tab.
If you require installation or white-glove delivery, please email info@truestrengthuk.com before or after placing your order. This service is quoted and scheduled separately.
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Keiser Total Body Trainer Assault Bike
Built to perform under pressure, the Keiser M3i Total Body Trainer Assault Bike delivers the ultimate full-body workout.
Every order comes with stretch pads, a floor mat, measuring 65 x 32", M series tool kit to help assemble and maintain your bike and a Polar H9 heart rate monitor which effortlessly connects to your machine.
Features
Fits Every Athlete: The V-shaped frame adjusts effortlessly to suit riders of all sizes and body types, ensuring optimal positioning for efficient power transfer and comfort during intense sessions.
Total-Body Conditioning: Engage every major muscle group, arms, legs, upper and lower back and core. This ensures a powerful full-body workout that builds strength, endurance and stamina in every session.
Power That Matches Your Effort: The magnetic resistance system delivers a smooth yet challenging ride, responding instantly to your output. So the harder you push, the more resistance you create.
Engineered for Reliability: The rear-wheel drive and corrosion-resistant design protect key components from sweat and wear, while the self-tensioning Poly-V belt ensures consistent performance with minimal maintenance.
Track, Compete and Improve: The intuitive console displays cadence, power, calories, heart rate and more in real time. Or connect via Bluetooth to the Keiser M Series app to monitor progress, set goals, and compete with others.
Built for Serious Training: Robust adjustment knobs, transport wheels and integrated stretch pads make it easy to move, set up and recover ideal for functional fitness, HIIT circuits or endurance conditioning.
Size & Spec
- Height
- 54” / 1372 mm
- Width
- 29” / 737 mm
- Depth
- 49” / 1245 mm
- Weight
- 112 lbs / 51 kg
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'Great quality products, made to last'
Elliot, Birmingham
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I wouldn't hesitate to order from True Strength UK again, their customer service is great'
Ryan, Exeter
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'Fast Delivery'
Lina, Manchester
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Why Buy From Us?
True Strength UK is your trusted partner for premium gym equipment, whether you’re building a business or your dream home setup.
At True Strength UK, we don’t just sell fitness equipment, we help you create the perfect training space, without the stress. From quoting and finance to delivery and support, we handle everything so you can focus on what matters most: helping people build strength and success. Read our About Us page to find out more.
For Gym Owners, We’re With You Every Step of the Way
Opening or upgrading a gym is a big commitment and we know the process can feel overwhelming. That’s where we come in.
When you buy through True Strength UK, you’re not just choosing equipment, you’re choosing a partner who’ll hold your hand through the entire buying journey.
Here’s how we make it easy:
Personal Support: We’ll talk through your goals, space and budget to find what truly fits your gym.
Finance Options: We can help arrange finance to spread the cost and make your investment manageable.
Custom Quotes: We’ll build tailored quotes and secure you the best possible prices across top brands.
All in One Place: No need to spend hours on multiple brand websites, we can source it all for you, just let us know what you want!
Hassle-Free Delivery: We’ll coordinate shipping and ensure everything arrives smoothly and on time.
Think of us as your one reliable port of call for commercial gym projects, from start to finish.
If you are a gym owner or in the process of setting one up, please don't hesitate to reach out to us on info@truetrengthuk.com to chat further. If you would like a particular product and don't see if on our website then we can let you know whether we can supply that.
For Home Gym Customers we Offer Big Brands and a Personal Touch
Setting up your own gym at home should be exciting, not complicated. Whether you’re building a full training space or just adding one key piece of kit, True Strength UK gives you the best of both worlds:
Top Fitness Brands: We supply trusted, high-quality names used by professional gyms.
Simple, Smooth Shopping: Our website is easy to navigate, with clear product info and secure checkout.
Easy to Reach: Got a question? You can reach us quickly, no waiting days for a reply.
Personalised Experience: We take the time to understand what you’re looking for and recommend what suits your space, style and training goals.
Whether it’s a squat rack for your garage or a full studio fit-out, we make the process straightforward and personal.
Why True Strength UK Stands Out
We combine industry knowledge, personal service and brand access in one place, something you won’t get from big-box retailers or brand-specific sites.
With True Strength UK, you’ll save time, avoid stress and feel confident that every detail is handled.
Go to our Contact Us page to get in contact.
Because true strength isn’t just about the weights you lift,
it’s about having the right support behind you to reach your goals.