Your cart is empty.

Free trials for 5 of the most popular cycling apps with every Atom purchase - View offer details

Wattbike Nucleus

Performance Touchscreen

Our high-definition Performance Touchscreen delivers the most advanced performance feedback. Find tests, workouts, plans, and challenges right at your fingertips.

Unrivalled adjustability

change the position of the saddle and handlebars with one, easy adjustment to customise your bike fit.

Customise your ride

Select either the racing saddle or the comfort saddle, both which are provided with every order.

Resistance Systems

Our patented dual air and magnetic resistance provide smooth, incremental increases to accommodate each individual's goals and needs.

Durable frame

Our steel frame is built for commercial use and designed to withstand even the toughest of workouts.

Wattbike Nucleus


The Wattbike Nucleus features our high-definition performance touchscreen, delivering the most advanced performance feedback for a fully connected user experience.

The standard resistance option of the Wattbike Nucleus has been engineered to better fit the needs of all health and fitness users.

The high resistance option of the Wattbike Nucleus has been engineered to fit the needs of elite athletes and more powerful riders.

Wattbike Comparison Guide

Delivery estimate: Calculating…
X Dispatch is when your order is picked up from our warehouse by a courier partner, who handle delivery to you. The courier will contact you directly, 24-48 hours after dispatch, to arrange a suitable delivery date and time.

2 Year Guarantee


We’re confident it’ll be love at first ride, but if you're not entirely happy, return within 30 days for a full product refund.

The evolution of a pioneer

Born from the Wattbike Pro/Trainer, the Wattbike Nucleus features a high-definition performance touchscreen. The performance touchscreen includes workouts, plans, tests and the brand new interval builder, allowing riders to create the ultimate personalised workout. The Wattbike Nucleus has resistance suitable for all gym users and maintains Wattbike's unrivalled accuracy and Real Ride Feel. The updated magnetic brake also provides a more linear and predictable resistance for riders. Fire up the gym floor for cyclists, gym goers, and health and fitness fans with Wattbike's latest offering.

Key Features

  • Accurate Data

  • Performance Touchscreen

  • Pedalling Effectiveness Score

  • Polar View

  • Real Ride Feel Technology

With the Wattbike Nucleus you can rely on our data. The Nucleus delivers ±2% accuracy across the max power range of 2000w.

The touchscreen elevates the cycling experience by delivering incredibly accurate performance feedback. It includes workouts, tests, and Wattbike’s brand new interval builder.

Pedalling Effectiveness Score is a unique technique analysis tool. Building on the industry defining Polar View, PES provides riders with a colour coded display and numerical score. Previously only available via smartphone and tablet on the Hub app, you can now find it right in the touchscreen of the Wattbike Nucleus.

Visualise how you apply force through each pedal stroke and optimise your technique with our patented analysis tool. Training with Polar View helps improve your pedalling efficiency and power output.

Our unique technology replicates the resistance and sensation of riding on the road, delivering the most authentic ride feel available. That means all of the effort you put in indoors easily translates out onto the road.

Buy the Atom