GX 4.5
(NTEX03912) In Stock
Work Out in Comfort

With Calorie-Burning Cardio

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Conquer any road at any time in the comfort of your own home with the NordicTrack GX 4.5 exercise bike. Compatible with iFit® Technology, you can create your own training course with Google Maps™ and the GX 4.5 will automatically adjust resistance to match the terrain. Have a certain fitness goal in mind? Choose between 24 built-in workouts and 22 digital resistance levels with the touch of a button. Plus, with an adjustable, oversized cushioned seat and ergonomic pedals with adjustable straps - the GX 4.5 exercise bike is designed to help you achieve your fitness goals in comfort.




CardioGrip™ Heart Rate Monitor

Stay in your target heart rate zone with heart rate sensors built right into the handlebars.

Weight Capacity

300 lb. User Capacity

Recumbent Design

Designed for comfort, the GX 4.5's recumbent design places its ergonomic pedals directly in front of you with a cushioned seat and backrest to provide support for your lower back. This allows you to enjoy your workout and reach your fitness goals in a comfortable, relaxed position.

15 lb. Effective Inertia-Enhanced Flywheel

Engineered for incredibly smooth performance, this 15 lb. inertia-enhanced flywheel delivers a more natural ride. You'll feel the difference in your first workout!

Step Thru™ Design

Get started on your workout fast! Step Thru™ Design eliminates the traditional bike base so it's easy to get on and off the GX 4.5 Stationary Bike.


Lifetime Frame Warranty, 1 Year Parts & Labor Warranty


51.75" L x 25.12" W x 53" H





First Bike
By on Jan 12, 2013
Bike is well built the Ifit Compatible option should come with it for the price. The problem i have is that I am tall and this unit doesn't have adjustable handle bar hight so knee conntact occurs if not careful. The seat is ok but a better shape and cushion would be great. Assemble was easy. ... (Read more)
Bike is okay
By on Jan 6, 2013
I would like to amend my previous review. The bike is very well built, however the software and the iFit are terrible. This alone would keep me from recommending it. This is one of the prime reasons I spent this much on a bike and it is absolutely worthless. Don't be fooled, it isn't just me, the... (Read more)
Good Bike
By on Jan 3, 2013
I love the iFit but I wish they would get their software fixed. The new updates made things worse than before they "fixed" their website.
GX 4.5
By on Feb 14, 2013
Great machine. Not hard to set up. Good workout for this old guy.



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