NordicTrack and Schwinn make some of the most popular exercise bikes. We have an in-depth look at two of their most popular models, the NordicTrack S15i vs Schwinn IC4 – which is the best for you?

NordicTrack S15i vs Schwinn IC4 – Specifications

NordicTrack S15iSchwinn IC4
NordicTrack S15i
Schwinn IC4
Unit Weight165lbs106lbs
Dimensions 55.8" L x 22" W x 61" H 48.7” L x 21.2” W x 51.8 H
Adjustable Seat 4-way adjustable
(Horizontally and vertically)
4-way adjustable
(Horizontally and vertically)
Adjustable Handlebar 2-way adjustable
(Up and down)
4-way adjustable
(Horizontally and vertically)
Inseam Height27″ to 40″Not stated
Weight Capacity350lbs330lbs
Resistance Levels24100
Display (monitor)15" HD touchscreenLCD Display
FeaturesBelt drive system
10% decline and 20% decline
Adjustable display mount
AutoBreeze Workout Fan
SMR Silent Magnetic Resistance
Comes with two 3lbs dumbbells & dumbbell holder
Bluetooth and WiFi connectivity
Built-in speakers,
Audio auxilliary port
Comes with 1-year iFit membership
Comes with a pair of 3lbs dumbbells
Bluetooth connectivity
Tablet holder
Dual link SPD foot pedals
Toe clips
Multi-grap handlebars
Dual water bottle holders
Warranty10-year frame
2-year parts
1-year labor
10-year frame
3-year mechanical and electrical
1-year labor
Cost ( PriceCheck Price

NordicTrack S15i vs Schwinn IC4 – Similarities

Both exercise bikes have 4-way adjustable seats

  • Both the NordicTrack S15i and Schwinn IC4 have 4-way seat adjustment. This means the seats can be adjusted up, down, front, and back, making them more flexible for different users.

Both bikes are Bluetooth compatible

  • Both the NordicTrack S15i and Schwinn IC4 are compatible with Bluetooth heart rate monitors.

NordicTrack S15i vs Schwinn IC4 – Differences

Both the NordicTrack S15i and Schwinn IC4 have different unit weights

  • The NordicTrack S15i is heavier at 165lbs, while the Schwinn IC4 weighs only 106lbs.

The NordicTrack S15i and Schwinn IC4 have different dimensions

  • The NordicTrack S15i has a length of 55.8”, a width of 22”, and a height of 61”.
  • The Schwinn IC4 has a length of 48.7”, a width of 21.2”, and a height of 51.8”.

Both exercise bikes differ in flywheel weight

  • The NordicTrack S15i has a flywheel weight of 32lbs, while the Schwinn IC4 has a flywheel that weighs 40lbs.

The handlebars for both exercise bikes have different adjustment options

  • The NordicTrack S15i’s handlebar can be adjusted in two ways—up and down, while the Schwinn IC4 can be adjusted in four ways—up, down, front, and back.

Both exercise bikes have a different maximum weight capacity

  • The NordicTrack S15i can cater to users up to 350lbs, while the Schwinn IC4 can only accommodate up to 330lbs.

Resistance levels differ for both exercise bikes

  • The NordicTrack S15i has 24 resistance levels, while the Schwinn IC4 offers more with 100 resistance levels.

Both offer different display monitors

  • The NordicTrack S15i features a 15” HD touchscreen monitor, while the Schwinn IC4 has an LCD monitor.

Both have different features

  • The NordicTrack S15i is a belt-driven exercise bike with a 10% decline and 20% incline. Designed with SMR silent magnetic resistance, and adjustable mount display, it features a workout fan for cooling, Bluetooth and WiFi connectivity, built-in speakers, and an auxiliary audio port. Aside from that, it comes with two 3lbs dumbbells and a year of iFit membership.
  • The Schwinn IC4 is designed with multi-grip handlebars, dual-link SPD foot pedals and toe clips. It features a tablet holder, Bluetooth connectivity, and dual water bottle holders.

Both the NordicTrack S15i and Schwinn IC4 offer different warranties

  • The NordicTrack S15i has a 10-year warranty for the frame, two years for the parts, and one year for labor.
  • The Schwinn IC4 offers ten years for the frame, three years for mechanical and electrical parts, and one year for labor.


The NordicTrack S15i and Schwinn IC4 are both sturdy exercise bikes, that can help keep you fit and healthy. However, choosing the right one for you may be tricky and depends on your preferences. Here are a few notable things you might want to consider:

  • The Schwinn IC4 is much lighter than the NordicTrack S15i, making it easier to move around.
  • The Schwinn IC4 also takes less space than the NordicTrack S15i.
  • The NordicTrack has a higher maximum weight capacity.
  • The Schwinn IC4 may be more challenging to use, with more resistance levels than the NordicTrack S15i.