Lifespan Fitness SM-420 Spin Bike with Automatic Magnetic Resistance

Lifespan Fitness SM-420 Magnetic Spin Bike

The Lifespan Fitness SM-420 delivers a commercial-grade indoor cycling experience for home use. Featuring 16 levels of automatic magnetic resistance and a 12kg commercial-grade flywheel, it provides smooth, seamless transitions between intensities for effective fat-burning, HIIT, and endurance training. The durable tubular steel frame supports users up to 140kg, and the fully adjustable seat and handlebars accommodate riders up to 200cm in height.

An integrated LCD display tracks resistance, time, distance, and calories, while a built-in device holder and hand pulse sensors keep you connected and informed throughout your session.

🚴 Key Features

• 16 levels of automatic magnetic resistance — smooth, seamless transitions between intensities
• 12kg commercial-grade flywheel — TrueSpin balance-tested for stable, fluid pedal motion
• Belt drive system with 3-piece forged steel crank — quiet and low-maintenance
• Dual-sided aluminium alloy pedals with toe clips and cleats
• Racing-style PU leather seat — adjustable up/down and fore/aft for optimal riding position
• Adjustable handlebars with integrated hand pulse sensors — seat height range 82–106.5cm
• Large LCD display showing resistance, time, distance, and calorie estimates
• Device holder, drink bottle holder, and transport wheels included
• Max user height: 200cm

📐 Specifications

🚚 Shipping & Delivery

The SM-420 ships Australia-wide. Metropolitan areas typically receive delivery within 3–7 business days, with regional areas taking slightly longer. The bike ships partially assembled with full assembly instructions included.

💪 Why Buy from GymCentral?

GymCentral is a trusted Australian fitness equipment retailer. We offer competitive pricing, Australia-wide delivery, and dedicated customer support to help you choose the right equipment for your home gym. Shop with confidence knowing we stand behind every product we sell.