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Talk to a spin bike specialist| Resistance | 24 levels of automatic magnetic resistance |
| Flywheel | 3.5 kg Aluminium, TrueSpin balance tested |
| Drive system | Belt Drive |
| Console | None |
| Max user weight | 160 kg |
If you train indoors and want studio-style rides at home, the SM900 gives you 24 automatic magnetic resistance levels and up to 810W at 120 rpm from a belt-drive system that runs quietly. The commercial steel frame carries riders up to 160 kg, so it holds up to daily use.
It suits app-based riders best: the console pairs with Zwift, Kinomap and Fitlink, and the integrated tablet holder puts your ride data (watts, cadence, distance) right in front of you. Dual-sided pedals with SPD cleats and toe clips mean you can clip in or ride in trainers on any given day.
What stands out is the automatic magnetic resistance: 24 levels controlled from the console, so you can hold a precise watt target instead of guessing by feel like weighted-flywheel bikes.
The 3.5 kg flywheel is light, so momentum feels lively rather than heavy underfoot. Since it runs Zwift and Kinomap, I'd set a tablet on the holder for structured sessions.
Adela Ledvinkova · Bachelor of Exercise & Sport Science · Our In-House Fitness Coach
Watching a spin bike move tells you more than any spec sheet about how it sits, how the belt drive runs and how the console reads. The video walks you through the SM900's build and adjustment points before you commit.
What this means for you: Seeing the bike run gives you a realistic feel for the build before it arrives.
The SM900 connects to Fitlink, Kinomap and Zwift, so you can ride virtual routes, follow guided classes and log your numbers over time. App pairing is optional, not essential: the console runs every session on its own.
What this means for you: Ride real-world routes or race in Zwift without leaving your home gym.
The commercial-grade tubular steel frame and 160 kg maximum user weight mean this bike holds up under back-to-back sessions, not just occasional home use. It is built for the load a studio puts on equipment.
The 5-year frame warranty backs the build for the long haul.
What this means for you: Studio-ready durability that still suits a serious home rider.
The large LCD display shows the six numbers that actually guide a spin session, including watts and cadence, so you can hold a target instead of riding by feel. Everything reads at a glance mid-effort.
What this means for you: Watts and cadence on screen let you train to a number, not a guess.
The SpeedLock Pro system lets you set seat height up or down quickly and lock it securely, so a shared bike swaps between riders in seconds. No fiddly threaded posts.
What this means for you: Fast, repeatable fit changes when more than one person rides.
Both the seat and handlebars adjust up/down and fore/aft, giving you four points to dial in your riding position. That range matters for holding good posture over a long ride and for fitting riders of different heights.
What this means for you: Getting your reach and leg extension right keeps the ride comfortable at distance.
The Comfort Sport Seat uses a PU leather cover and is interchangeable, so if you already ride a saddle you like, you can swap it on. The stock seat suits regular spin sessions out of the box.
What this means for you: Keep the supplied seat or fit your own, the choice stays with you.
The console has a built-in holder for a phone or tablet, positioned so a Kinomap route or Zwift screen sits at eye level while you ride. No separate stand cluttering the floor.
What this means for you: Your class or route stays visible without hunching to see a low screen.
The dual-sided pedals take Shimano SPD cleats on one face and toe clips on the other, so you can clip in with cycling shoes or ride in trainers without changing anything. That flexibility suits a household with mixed footwear.
What this means for you: Clip in for power transfer or ride in runners, no swapping pedals.
| Resistance Type | 24 levels of automatic magnetic resistance |
| Flywheel | 3.5 kg Aluminium, TrueSpin balance tested |
| Drive System | Belt drive system |
| Max User Weight | 160 kg |
| Seat Adjustment | Interchangeable Comfort Sport Seat with PU Leather |
| Handlebar Adjustment | Heavy-duty grade with high-density PVC coating |
| Console / Display | Large LCD display with integrated phone/tablet holder |
| Pedals | Dual sided aluminium alloy with toe clips and Shimano SPD cleats |
| Assembled Dimensions | 120.4 cm (L) x 60.8 cm (W) x 128.7 cm (H) |
| Product Weight | 43.5 kg |
| Warranty | 5 Years on Frame, 12 Months on Parts |
| Frame | Commercial grade tubular steel |
| Materials | Rust-resistant aluminium alloy flywheel, seat and handlebar posts |
| Maximum Resistance | 810W at 120 rpm |
| Cranks | 3-piece heavy duty forged steel |
| Crank Arm Length | 17 cm |
| Seat Adjustments | Up/Down (SpeedLock Pro), Fore/Aft |
| Handlebar Adjustments | Up/Down (SpeedLock Pro), Fore/Aft |
| Workout Data | Time, Speed, Distance, Cadence, Calories, Watts |
| App Compatibility | Fitlink, Kinomap, Zwift |
| Other Features | Transport wheels, Floor levellers, Dual bottle holders |
| Gross Weight | 50.5 kg |
Effort: a one-person job, around 30 to 45 minutes for a first build. Tools: a spanner / wrench (bolts and fixings are included).
It ships Australia-wide as a single boxed unit, gross weight around 50.5 kg, so it comes on a pallet or via standard courier depending on your location. You'll get live tracking once it's dispatched. Have someone on hand to help move the box into place, since it's a solid commercial-grade bike, not a lightweight home model.
Take photos before you unpack and email them to support@cardioonline.com.au within 48 hours of delivery. We'll lodge the freight claim, organise replacement parts or a full unit, and stay across it until you're riding. You don't chase the courier or Lifespan Fitness yourself, that's our job.
It's a one-person job, roughly 30 to 45 minutes for a first build. You'll need a spanner or wrench, and the bolts and fixings come in the box. Most of the work is attaching the stabiliser bars, seat and handlebar posts, pedals and console. Nothing tricky, just work through it methodically and check the levellers once it's standing.
The 24 levels of automatic magnetic resistance give you a smooth, quiet load with no friction pads to wear out. It tops out at 810W at 120 rpm, which is plenty for hard intervals. Paired with the belt drive and 3.5 kg TrueSpin-balanced flywheel, the pedal stroke feels even and controlled rather than surging. That's where this bike earns its keep.
The assembled footprint is 120.4 cm long by 60.8 cm wide, standing 128.7 cm tall, so it slots into most spare rooms and garages without dominating them. At 43.5 cm shy of any ceiling issue, height is a non-concern in a standard home. Transport wheels let you tilt and roll it aside when you need the floor back.
It supports riders up to 160 kg, so it suits most adults comfortably. The commercial tubular steel frame and forged 3-piece cranks are built for daily, sustained use, not occasional spins. Good for committed home riders and light commercial settings alike. If you want dependable magnetic resistance you can push hard several times a week, this is the one I'd point you to.
No. The large LCD console runs on its own, showing time, speed, distance, cadence, calories and watts without pairing anything. If you want structured rides, it connects to Fitlink, Kinomap and Zwift, and there's an integrated holder for your phone or tablet. The app side is a bonus, not a requirement.
You get 5 years on the frame and 12 months on parts, handled locally by us rather than through an overseas manufacturer. If a covered issue comes up, contact our team and we'll sort the fix or replacement. It's also covered by our 100-day money-back guarantee if you decide it's not right for you, provided it's returned in as-new condition.
Click below to download the user manual.
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