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Pickup available at Factory 5/47 Rainier Cresent Clyde North
Usually ready in 24 hoursPairs well with
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Payment Options Available*
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03 8790 6900 For A Quote

SM-420 Magnetic Spin Bike
Product Description
Unleash your cycling potential with the SM-420 Spin Bike featuring 16 levels of magnetic resistance. This cutting-edge spin bike offers a revolution in your home workout routine. The magnetic resistance system ensures seamless transitions between intensity levels, simulating real road conditions. With precision engineering, the SM-420 delivers a whisper-quiet and maintenance-free experience. The ergonomic design provides comfort during long rides, while the integrated digital display keeps you updated on key metrics. Whether you're a beginner or a seasoned cyclist, this spin bike adapts to your fitness journey, making each session a dynamic and engaging adventure towards your health goals.
16 Levels of Automatic Resistance
Experience a tailored workout with the SM-420's impressive 16 levels of automatic resistance. Make adjustments through the multifunctional twist dial and experience smooth resistance transitions as you cycle.
(Different automatic resistance spin bike shown for demonstration purposes)
Map, Track, Achieve
Introducing a new, powerful fitness app developed to help you track and optimise your workout. Draw on the map to create a program
that simulates distance and incline through the route. Experience live tracking as you travel through your route - just like the real world.
Check product description for compatible units.
Commercial Grade 12kg Flywheel
Experience a smooth and consistent ride with the commercial grade 12kg flywheel, delivering fluid motion and stability during your spin sessions.


High Quality Steel Frame
Built to withstand the most intense workouts, the high-quality steel frame ensures durability and longevity, providing a solid foundation for your cycling endeavours.
Multifunctional LCD Display
Stay informed with the LCD display, which tracks essential workout metrics such as time, distance, speed, and calories burned, helping you monitor your progress.
Fore and Aft Adjustability
Achieve the perfect riding position with full adjustability of the handlebars and seat, ensuring optimal comfort and proper alignment for riders of all sizes.
Comfort Sports Saddle
Ride in comfort with the ergonomically designed sports saddle, providing support and cushioning for extended cycling sessions.
- 1. Minimal interference from sides of the saddle during vigorous pedalling
- 2. Mid density padding for extra support
Tablet & Smart Phone Holder
Stay entertained and connected while you cycle by using the built-in tablet and smartphone holder, allowing you to enjoy your favourite media or apps.


Why is frame quality important?
Strong spin bike frames tend to offer:
- Better stability and minimises rocking during hard sprints, fast pedalling or hill climbs.
- Longer life performance, less prone to snapping or severe frame issues over time.
Our spin bikes come with a Lifetime Spin Bike Frame Warranty* so you know you're getting a spin bike that will last.

TrueSpin TM Precision Flywheel
TrueSpin precision testing ensures that your flywheel delivers a natural and consistent pedal motion throughout your pedalling, keeping you balanced no matter the intensity of your workout.

Smooth Belt Drive System
Experience a quiet and smooth ride with the belt drive system, ensuring minimal noise and maximum efficiency as you pedal your way to fitness.
Other Features

Transport Wheels
& Floor Levellers

Interchangeable Seat

Bottle Holders
*Bottle Not Included
Technical Specifications
General
Resistance | 16 levels of adjustable magnetic resistance Smooth and seemless resistance changes |
Flywheel | 12kg Commercial Grade Flywheel |
Pedals | Aluminum alloy pedals with toe clips |
Cranks | 3-Piece Forged Steel Crank |
Drivetrain | Belt Drivetrain |
Drink Bottle Holder | Yes |
Dimensions and Weight
Occupancy Size | 105.6cm x 54cm x 105.8cm (L x W x H) |
Packaging Size | 103cm x 21cm x 84cm (L X W x H) |
Gross Weight | 46kg |
Net Weight | 40kg |
Maximum User Weight | 140kg |
Computer and Programs
Workout Data | Resistance Time (min:sec) Distance (km) Calories (Estimate) |
Cycle Monitor | Large LCD display Shows multiple statistics at once |
Technical
Assembly Required | This product comes partially assembled in a box with assembly instructions included. |
Frame | Tubular Steel |
TrueSpin™ Balance Tested | Yes |
Transport Wheels | Yes |
Floor levellers | Yes |
Bottle Holder | Yes |
Handle Bar | Adjustable Up/Down In-built Hand Pulse Sensors |
Device Holder | Yes |
Power Supply |
Input: 100-240V 50/60Hz Output: 9V 1000mA |
Seat | Racing seat design for performance PU Leather seat Adjustable up/down, forwards/backwards |
Handlebar Height from Floor | 88cm - 121.8cm |
Seat to Handlbar Range | 61cm |
Seat Height Range | 82cm - 106.5cm |
Warranty
This product is covered by the following warranty/warranties:
· Lifetime of 5 Years Spin Bike Frame warranty · 12 Months Parts replacement warranty |
Product Manual
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Come Visit Our Showroom Today
Come check out our Clyde North showroom and meet our friendly team! Whether you're setting up a home gym or just getting started, we're here to help with expert advice and top-quality fitness gear.
📍Factory 5/47 Rainier Crescent, Clyde North, VIC, 3978
FAQs
What is your return policy?
We accept returns within 30 days of purchase. To be eligible, your item must be unused, in the same condition as received, and in the original packaging. A receipt or proof of purchase is required.
Please note that certain items cannot be returned, including:
· Perishable goods (e.g., food, flowers)
· Intimate or sanitary products
· Hazardous materials or flammable liquids/gases
· Gift cards, downloadable software, and select
health/personal care items
Do not send your item back to the manufacturer.
How do refunds work, and how long do they take?
Once we receive and inspect your return, we’ll email you to confirm its status. If approved, your refund will be processed and applied to your original method of payment within a few business days.
If you haven’t received your refund yet:
1. Double-check your bank account.
2. Contact your credit card company — posting
delays can occur.
3. Contact your bank for processing times.
If you’ve done all of the above and still haven’t received it, please contact us at:
📧 manicfg@bigpond.net.au
Note: Sale items are non-refundable.
Do I have to agree to the Terms of Service to use your website or make a purchase?
Yes. By accessing our website or purchasing from Manic Fitness, you automatically agree to our Terms of Service, which include all rules, policies, and conditions outlined on our site. If you do not agree with any part of these terms, you are not permitted to access the website or use any of our services.
We recommend reading the Terms of Service in full before making a purchase or using any features of the site. Updates may occur at any time, and continued use of the site after changes are posted indicates your acceptance of those updates.
Can you refuse or cancel my order?
Yes. We reserve the right to refuse, cancel, or limit any order at our discretion. This may apply to:
· Multiple orders placed under the same account or
using the same billing/shipping details
· Orders that appear to be placed by resellers,
dealers, or distributors
· Situations where billing information is
incomplete, inaccurate, or flagged
If your order is changed or cancelled, we will attempt to contact you using the email, billing address, or phone number provided at checkout.
To avoid any issues, please ensure that all purchase and account information is complete, current, and accurate.
Can I choose my own freight company for delivery?
Yes! While we primarily use Trans Direct for interstate deliveries and Vic Freight within Victoria—both of whom we’ve trusted for over 13 years—you are welcome to use your own preferred freight company.
To arrange this, simply give us a call at 📞 03 8790 6900, and we’ll work with you to coordinate the best shipping solution possible.