A World-Class Bike Backed by a World-Renowned Brand

The SUB55 is a premium upright bike from Spirit Fitness—a globally respected brand known for producing reliable, commercial-quality cardio equipment for over four decades. Designed with the user in mind, the SUB55 combines cutting-edge features like Bluetooth FTMS compatibility, multiple preset workout programs, ergonomic design, and whisper-quiet magnetic resistance. Whether you’re training solo or connecting to platforms like Zwift or Kinomap, this bike adapts to your fitness journey.

 

 

Features

• 7.5" bright multi-colour LCD with built-in USB charging port

• 14kg flywheel with 20 levels of whisper-quiet magnetic resistance

• Fully adjustable seat (up/down, fore/aft) for tailored comfort

• Oversized self-balancing pedals with fast-latching system

• Contact & wireless heart rate monitoring (5kHz & Bluetooth-compatible)

• Ergonomic handlebars offering multiple riding positions

• Bluetooth FTMS for connecting to apps like Zwift & Kinomap

• Built-in Bluetooth speakers and adjustable cooling fan

• Tilt/swivel tablet holder for entertainment or virtual classes

 

Built to Last – Commercial-Grade Quality You Can Trust

From the 14kg flywheel and oversized quick-latching pedals to the fully adjustable seat and durable frame, the SUB55 Upright Bike is made to withstand the rigours of both home and light commercial use. It’s ideal for studios, schools, hotels, corporate gyms, and dedicated home users who want professional-grade quality. With a 150kg user weight capacity and rock-solid engineering, you can ride with confidence, knowing you're supported by industry-leading design and durability.

 

Buy with Confidence from Australia’s Trusted Fitness Retailer

When you purchase the Spirit SUB55 from Southside Fitness, you’re not just buying a bike — you're investing in peace of mind. As Australia’s leading supplier of commercial fitness equipment since 2006, Southside Fitness is proud to offer expert advice, after-sales support, and nationwide customer service. We understand fitness and provide the guidance to help you choose the right equipment for your goals and space.