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Our fastest treadmill designed for advanced runners looking to improve their endurance and speed. Paired with iFIT, immerse yourself in stunning workouts around the world on a 24” touchscreen.

Our fastest treadmill

22 KPH so you can run up to a 2:40 minute-kilometer pace

Train for real-road conditions

12% incline to -3% decline for more training variety

Low impact

Cushioned deck designed to absorb impact to keep you going further

Immersive experience

24” touchscreen for trainer-led workouts & streaming with iFIT

THE COMMERCIAL 2450 SMART TREADMILL ADJUSTS FOR YOU. JUST PRESS START AND IFIT DOES THE REST.

iFIT Trainer Tommy Rivs Puzey wearing sunglasses, a black hat, shorts, and a t-shirt looking back during a jog.

With Follow Trainer, your treadmill will automatically follow the incline and speed of your iFIT Trainer.

SmartAdjust interface visualization

SmartAdjust™ intelligently adjusts incline and speed to your fitness level based on adjustments you make in your workouts.

iFIT Trainer Hannah Eden wearing shorts and a cropped top runs along a white-colored road.

ActivePulse™ adjusts intensity automatically to keep you in the right heart rate zone.

iFIT AI Coach app interface

iFIT AI Coach (beta) is a personal fitness assistant that schedules your workouts and keeps you accountable all from your phone.

Quickly change the speed or incline with one button press using on-screen shortcuts.

12% incline to -3% decline

0-22 KPH

This is our fastest treadmill. Run up to 22 KPH (2:40-minute-kilometer pace) thanks to our 4.25 CHP motor.

The cushioned deck absorbs impact and balances comfort with a road-running feel.

IMMERSIVE. CRYSTAL CLEAR. TOUCHSCREEN.

Immersive Crystal Clear Touchscreen Console Layout

The AutoBreeze™ fan automatically adjusts with the intensity of your workout to keep you cool.

One machine for any workout. Walk, run, and hike, then turn the screen for strength, yoga, and more.

Swivel screen cross-training workout grid

TRAIN SMARTER WITH NORDICTRACK + IFIT

iFIT icon

Powered by iFIT

Get more out of NordicTrack with iFIT — access over 10,000 workouts and smart features for a personalized experience.

SmartAdjust icon

SmartAdjust™

The Commercial 2450 automatically matches the incline, decline, and speed of the iFIT workout. SmartAdjust™ takes it further and personalizes each workout to your fitness level based on adjustments you make.

ActivePulse icon

ActivePulse™

Level up with intelligent heart rate training. ActivePulse™ uses your heart rate information to automatically adjust the workout speed, incline, and decline to keep you in the right heart rate zone.

Touchscreen icon

Pivoting 24" Touchscreen

The pivoting 24" touchscreen allows you to turn the screen so you can always see your workout. Follow expert iFIT Trainers in workouts off the treadmill, including strength, yoga, HIIT, and more.

Speed icon

0-22 KPH

0-22 KPH allows you to run up to a 2:40-minute-kilometer pace, capable of a sub-2 hour marathon and great for interval training.

Cushioning icon

RunFlex™ Cushioning

Designed to absorb impact and provide stability so you can push your training sessions. Whether you’re sprinting, walking at an incline, or jogging, the cushioned deck will help make your workout more comfortable.

Incline icon

12% Incline to -3% Decline

12% incline to -3% decline supports your goals and training plans. Train for a 5K, marathon, long hikes, and more. The large decline to incline range helps you target more muscle groups to train your body to walk, jog, hike, and run for any distance or elevation.

Streaming icon

Streaming Services

With iFIT, you have access to streaming services directly on the 24” HD touchscreen. Pivot and tilt the screen for the perfect viewing angle, and workout to your favorite movies, shows, and music.

LEARN MORE ABOUT IFIT

[#header1] Performance Specs [/header1][#content1]

Model Number: NTL19125-INT

TREADMILL HARDWARE FEATURES

Pivoting 24" (61.0 cm) touchscreen for off-equipment workouts
0-14 MPH (0-22 KPH)
4.25 CHP Motor delivers all the power you need
RunFlex™ cushioning designed to absorb impact and provide stability
Easily fold and roll the treadmill away with SpaceSaver™ design
12% Incline to -3% decline for more intensity and variety
22x60 in belt (55 x 152 cm)
AutoBreeze™ fan changes intensity to match workout
2 water bottle holders
USB-C charging port
Two - 2" (5.1 cm) speakers with premium audio quality
Bluetooth® headphone and heart rate monitor connectivity

DIMENSIONS AND WEIGHT

Footprint: 77.3" L (196.3 cm) x 37" W (94 cm) x 63.4" H (161.0 cm)
Step up height: 10.0” (25.4 cm)
In box product dimensions: 84.00" L (213.4 cm) x 35.00" W (88.9 cm) x 15.00" H (38.1 cm)
In box product weight: 332 lbs (146 kg)

IFIT SOFTWARE FEATURES

10,000+ personalized iFIT workouts
SmartAdjust™ scales the workout to your fitness level
ActivePulse™ adjusts the workout to your target heart rate zones
AI Coach (beta) is a personal fitness assistant that schedules your workouts and keeps you accountable
iFIT syncs activity data with Strava, Garmin Connect, and Apple Health
Watch your favorite shows through available streaming services
Create custom, simulated routes with Google Maps (coming soon)

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[#header2] Warranty [/header2][#content2]

Full Warranty (w/AVR 3000)
10 years frame, Electronics 2 years, Drive Motor 10 years, 1 year service, 12 months consumable parts

Limited Warranty (w/o AVR 3000)
10 years frame, Electronics 1 year, Drive Motor 2 years, 1 year service, 12 months consumable parts

The following are NOT COVERED BY THE WARRANTY:

Repairs or attempted repairs and modifications by anyone not authorized by CHRIS SPORTS.
Serial numbers' label has been defaced, modified, or removed.
Damages caused by accidents, abuse, misuse, neglect, or failure to follow instructions contained in the Owner’s manual.
Damages caused by water, fire, flood, getting hit by other objects, and other fortuitous events.
Damages caused by pets, pests, cockroaches, rats, and other rodents including insect infestations.
Damages caused by accidental plugging of wrong voltage not conforming to the unit’s requirement.
Damages caused by power surge and lightning charges.
Unit is exposed in outdoors (garage, pool area, patio, etc.), making it exposed to sun, rain, dust, and moisture.
Improper use of lubricants. Only “silicon oil” should be used in lubricating the matting.
Damages occurred during shipment (claims must be presented to shipper).
Home service fee, repair service fee, and travel expenses for field service.
Removal and installation charges are not covered.
The following are not covered by warranty: foam, wheels, batteries, upholstery, seat, and pedal straps.

TREADMILL MAINTENANCE TIPS

Always use an Automatic Voltage Regulator (AVR). Electric surge is a common cause of motor failure. An AVR will help protect your treadmill motor from electrical surge. It is recommended that a treadmill with 20HP motor uses a 3000 volts voltage regulator. Whether your treadmill is 110V or 220V, an AVR is a must to prolong the life of your motor.
Keep the treadmill clean and free of dust. Dirt is the number one cause of premature belt failure. Weekly dusting between the belt and deck will ensure longevity of the machine. Deck should be dry and free of debris. Make sure the area where you place your treadmill is free of dust.
Make sure the treadmill belt is tight. Most treadmills provide the user with easy access to belt tracking. Treadmill belts may stretch slightly on the initial use and may need tightening. Use the allen wrench supplied with your treadmill, or use another of the right size and tighten both belt adjustment screws clockwise. ¼ turn clockwise should tighten the treadmill belt if it has loosened from breaking-in. Belt adjustment screws are usually located at the rear of the treadmill. Some belts require looser running than others, so check the user’s guide before making adjustments. Belt should be running at a low speed (around 3 kph) when adjusting belt tracking.
Make sure the treadmill belt is properly aligned. The tracking adjustments are also for proper belt alignment, so be sure not to turn either side more than ¼ turn at a time since belt tracking adjustments are minor. Improper belt tracking may result in roller knocking. A knocking noise may indicate a defective roller; however, it is usually a result of the belt placing too much force on the roller from side to side. In this case, the knocking noises will be at a much slower rhythm than roller rotation. Proper tracking reduces the load on belt guides and ensures that the front and rear rollers are parallel. Follow the manufacturer’s directions on belt tracking to keep from misaligning or over stretching the belt. Be careful not to overtighten the belt when adjusting alignment.
Make sure the treadmill is leveled with the floor. Squeaking sounds and belt mistracking are most often the result of unleveled floor. Treadmills usually have level adjustment in rear supports. If your treadmill cannot be leveled with the floor, then level the floor with your treadmill.
Keep the power cord free and clear from the treadmill. Make sure the power cord is clear of the incline mechanism.
Keep the belt and the deck dry. Unless recommended by the manufacturer, avoid use of silicone or oil to lubricate the belt. A clean, dry, and dust-free bed and belt combination is ideal for a long-lasting treadmill. Some units may require silicone spray for belt lubrication. Follow manufacturer’s directions closely for the application schedule and type of lubricant. Some treadmill decks may require initial waxing to help reduce friction with the belt. Do not wax a deck unless recommended by the manufacturer. Lubrication to pretreated wax decks may gum up the wax.
Ensure low friction between the deck and the belt. You want a low-friction contact between the deck and the belt to begin with. A high friction between the deck and the belt will result in damage to the motor electronics. High friction belts will not coast when power is shut off, nor will they be easy to dead-walk on when the power is off. High friction belts can also cause the motor to stall. Again, be sure to follow your treadmill manufacturer’s guidelines for proper deck and belt maintenance. Unnecessary lubrication can lead to excessive amp draw and subsequent damages to motor electronics.
Safeguard against console crashes by grounding to an AC wall outlet. Treadmills with computer console (such as those with programming) are subject to crashes. A computer crash is anything that may occur out of the ordinary, such as a display blanking out, locking up, or not recording information, or the treadmill simply shutting down altogether. To determine if a crash is not due to a defect, just turn the treadmill power off and then on again. Power cycling on and off will reset computers most of the time. Computer defects will result in loss of control to incline and speed, and the treadmill may not even start at all. To help ensure against crashes, plug the treadmill into a grounded AC outlet. If your treadmill computer console experiences repeated or frequent crashes, then it may need to be replaced.
Read your treadmill owner’s manual. A read through of the treadmill owner’s manual may save you from costly repairs. All maintenance procedures should be listed in the owner’s manual along with troubleshooting guidelines, parts listings, and instructions on repairs. Damage to your treadmill from improper use or unauthorized tampering can result in the manufacturer voiding the warranty. If in doubt about proper handling of your treadmill, contact either your dealer or the manufacturer for recommended care.

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[#header3] Images and Video [/header3][#content3]

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[#header4] About a brand [/header4][#content4]

NordicTrack is a leading brand of ICON Health & Fitness, catering to both serious athletes and fitness buffs with their exercise machines such as treadmills, incline trainers, ellipticals, stationary bikes, steppers, and strength machines.

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1TREADMILL / INCLINE