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Talk to a spin bike specialist| Flywheel | 13 kg Heavy Duty Cast Iron, TrueSpin balance tested |
| Resistance System | Manual adjustable friction resistance, spring-driven double caliper system |
| Warranty | 5 Years on frame, 12 months parts replacement |
If you ride indoors 3 to 4 times a week and want a stable bike for standing climbs, the SP-310 M2 is built around a 13 kg cast-iron flywheel and a 1.5mm tubular steel frame rated to 125 kg. The friction resistance adjusts through a spring-driven double caliper, so you can dial the load up smoothly mid-climb.
It suits riders up to 200 cm tall, with a seat that moves up, down, forwards, back and tilts to match your riding position. The LCD monitor tracks time, speed, distance and calories, and transport wheels let one person roll it out of the way between sessions.
The 13 kg cast iron flywheel is what sells this one for me: at that weight the pedal stroke stays smooth through standing climbs, where lighter spin bikes tend to stutter.
The friction resistance is manual, so there's no magnetic micro-dialling for precise intervals. That said, the seat adjusts up/down, forwards/backwards and for angle, so riders up to 200 cm tall can get a proper fit.
Adela Ledvinkova · Bachelor of Exercise & Sport Science · Our In-House Fitness Coach
The 13 kg heavy-duty cast iron flywheel carries enough momentum to keep the pedal stroke smooth through the top and bottom of each rotation.
Each flywheel is TrueSpin balance tested, so you don't feel the wobble that shows up on lighter, uneven wheels.
What this means for you: That weight is what makes standing climbs and high-cadence sprints feel steady rather than jerky.
A spring-driven double caliper friction system lets you dial resistance anywhere from an easy warm-up spin to a grinding seated climb.
There are no fixed levels, so you fine-tune the feel to the exact effort you want on the day.
What this means for you: In practice, you turn the knob right for more resistance and left for less, mid-ride, which suits interval work well.
The 1.5 mm tubular steel frame holds riders up to 125 kg and up to 200 cm tall without flex under hard efforts.
At 35 kg net weight, it stays planted during out-of-the-saddle sprints yet moves on the built-in transport wheels.
What this means for you: Floor levellers mean you can set it solid on a slightly uneven garage or spare-room floor.
The racing-style PU leather saddle moves up/down, forwards/backwards and tilts for angle, so you can set the riding position to your leg length and reach.
Handlebars adjust up and down to match your preferred posture, from upright to a flatter racing lean.
What this means for you: That seat range comfortably covers most adults sharing one bike at home.
The chain drive pairs with a 3-piece forged steel crank, which gives a feel similar to a road bike and needs minimal maintenance.
Pedals with toe clips come in the box, and they're compatible with after-market cleats and custom pedals if you ride clipped in.
What this means for you: If you already ride outdoors, you can swap in your own clipless pedals and keep the same shoes.
The LCD display tracks time, speed, distance and calories so you can hold a target pace or measure progress across sessions.
A phone holder sits within eye line for your own ride videos, and a bottle holder keeps water in reach mid-session.
What this means for you: The phone holder is the detail that matters most here, since you'll likely follow a class or playlist from your own screen.
| Resistance Type | Manual adjustable friction resistance, spring-driven double caliper system |
| Flywheel | 13 kg Heavy Duty Cast Iron, TrueSpin balance tested |
| Drive System | Chain |
| Max User Weight | 125 kg |
| Seat Adjustment | PU leather comfort saddle (racing design) |
| Handlebar Adjustment | Up/Down |
| Console / Display | LCD display |
| Pedals | Toe-clip pedals |
| Assembled Dimensions | 128 cm (L) x 51 cm (W) x 120 cm (H) |
| Product Weight | 35 kg |
| Warranty | 5 Years on frame, 12 months parts replacement |
| Frame | 1.5mm tubular steel |
| Cranks | 3-piece forged steel |
| Crank Arm Length | 170 mm |
| Pedal Compatibility | Compatible with after-market cleats and custom pedals |
| Seat Compatibility | Interchangeable |
| Seat Adjustment | Up/Down, Forwards/Backwards, Angle |
| Workout Statistics | Time, Speed, Distance, Calories |
| Included Attachments | Phone Holder |
| Bottle Holder | Yes |
| Transport Wheels | Yes |
| Floor Levellers | Yes |
| Maximum User Height | Suits riders up to 200 cm |
| Seat Height Range (from crank) | 62 cm - 84 cm |
| Seat Horizontal Range (from tube) | 58 cm - 75 cm |
Effort: 4 assembly steps in the manual. Tools: the assembly tools are supplied with the bolts and fixings.
Friction resistance works by pressing pads onto the flywheel, so expect a steady mechanical sound rather than the near-silence of a magnetic bike. The 13 kg TrueSpin flywheel is balance tested to minimise knocking noises, and the chain drive is a simple, proven setup. A mat underneath helps protect the floor and dampen noise on upstairs rooms.
The spring-driven double caliper system presses felt pads onto the flywheel, so you dial resistance up or down with a simple knob and can crank it hard for out-of-saddle efforts. The trade-off is the pads wear over time and need occasional replacing. For a rider who wants a direct, road-bike feel, friction earns its keep here.
It suits riders up to 200 cm, with a seat height range of 62 to 84 cm from the crank and horizontal adjustment from 58 to 75 cm. The seat moves up/down, forwards/backwards and tilts, and the handlebars adjust up/down. Most households will get a proper leg extension dialled in. Maximum user weight is 125 kg.
Out of the box the pedals have toe clips, so your normal trainers work straight away. The pedals also take after-market cleats and custom pedals, so if you ride clipless you can swap them over for a connected pedal stroke. The saddle is interchangeable too, if you prefer your own.
No. The LCD display runs on its own and shows time, speed, distance and calories without pairing anything. There's a phone holder and a bottle holder built in if you want to follow a class or playlist from your own device, but the bike is fully usable with nothing connected.
Assembled it's 128 cm long, 51 cm wide and 120 cm tall, so it tucks into a corner or spare-room nook without dominating the space. Built-in transport wheels let you tip and roll it out of the way, and floor levellers keep it steady on uneven surfaces.
The manual covers it in 4 steps: bolt on the front and rear stabilisers, fit the seat posts and saddle, fit the handlebar and slot in the monitor, then thread on the pedals. The frame, flywheel and cranks arrive pre-built, and the tools you need are supplied in the box. The monitor takes batteries.
You get 5 years on the frame and 12 months parts replacement, handled by us here in Australia. If the product page shows the 100 Day Money Back Guarantee badge, you have 100 days to change your mind: return it as-new and disassembled in its original packaging with all parts, and we refund the product price plus your original delivery fee, no restocking fee. We organise the return freight, you cover that cost.
Click below to download the user manual.
Download the user manual (PDF)This product ships in 2-3 business days after you place your order.
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Try it for 100 days. Return it if it is not right.
If your equipment is not right for your space or your training once you have lived with it, you can request a return within 100 days of purchase for a refund of the product price.
Available on products showing the 100 Day Money Back Guarantee badge. Return shipping is paid by the customer unless otherwise agreed. Original delivery, installation and service fees are non-refundable. See the full policy: /pages/risk-free-returns
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