XTERRA Fitness AIR350 Airbike

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250 lbsAirTime,
Frame: 1 year
Parts: 1 year

The XTERRA AIR350 is one of the exercise bikes released by XTERRA Fitness in 2019. It’s a more affordable version of the XTERRA AIR650. It’s a trainer made for home use featuring a fairly simple console without specific HIIT workouts. It also doesn’t have a resistance adjustment system, just the fan with the dynamic response.

Key Features and Specifications

  • Assembled dimensions: 48L x 28.3W x 51.1H inches (122L x 72W x 131H cm)
  • Assembled weight: 77 lbs (35 kg)
  • Supported weight: 250 lbs (113 kg)
  • Drive: Belt
  • Resistance: Air
  • Console: Time, speed, distance, total distance, speed, calories, goals, scan
  • Warranty: Frame 1 year / Parts 1 year

Frame construction

The XTERRA Fitness AIR350 features a steel frame and a fairly heavy construction. Even though it doesn’t have the heavy flywheel of a spin bike, it still weighs approx. 77 lbs (35 kg) which is twice the weight of the average road bike. All this weight, plus the low center of gravity, provide excellent stability for the unit. You can be sure that it won’t rock even if you engage in a more intense workout.

The bike’s frame is coated with a corrosion-resistant paint finish. The color used is gray for the main frame, and black for the base stabilizers, these being the only colors available for this bike. The flywheel guards are also painted black; they’re steel made, while the covers of the drive belt are made of ABS material, and are also black in color.

The bike isn’t extremely large, but it is slightly larger than the average upright bike or spin bike. With the frame fully assembled, it is approx. 48″ (122 cm) long, and 28.3″ (72 cm) wide. Its footprint may be a bit narrower, but the maximum width is given by the handlebar grips.

Although the bike’s weight offers excellent stability, the rear base also features adjustable levelers. Therefore, you can perfectly stabilize it if the floor is irregular. Also, the front base integrates a set of small wheels, so the bike is fairly easy to move once it is assembled.

It’s important to mention that the XTERRA AIR350 is equipped with a set of footrests. They’re placed at the joints between the handlebars and the front upright bar. Not all air resistance bikes have this feature, so it’s quite a plus as it gives you the possibility to keep your legs still while you still exercise your arms.

Seat and handlebars

The XTERRA Fitness AIR350 includes a standard saddle. Its top is made of polyurethane material. It is a bit wider than a race seat, so it provides a bit of extra contact surface and comfort during seated workouts. It doesn’t have thick cushioning but does have a slightly contoured surface for extra breathability.

The seat is four-way adjustable. Its upright bar has 7 adjustment positions while its horizontal slider offers a few more inches of front-to-back adjustment. Therefore, the bike should be able to accommodate users between 4’7″ and 6’2″ (140 – 188 cm). Taller users may not benefit from a complete leg extension. Also, the seat is durable enough to support users up to 250 lbs (113 kg).

The bike’s handlebars are directly attached to the pedal bars. Therefore, they cannot be locked; they continue to move for as long as you are pedaling. They feature simple, rubberized grips for extra comfort. The grips reach fairly high, approx. 51″ (131 cm) above the floor level so you won’t hit your knees when moving them as it might be the case for smaller airbikes.

Like most other air resistance exercise bikes, the XTERRA AIR350 doesn’t have stationary handlebars. Also, the bike does not have a pulse reading function. The handlebar grips are not equipped with pulse sensors, while the console does not have an internal pulse receiver, so it is not compatible with any wireless heart rate chest strap.

Drive and resistance

It’s pretty obvious that the XTERRA AIR350 is an air resistance exercise bike. Its main resistance-generating element is the large, 6-blade fan placed at the front of the unit. Just like any other airbike or air resistance rower, it’s designed to generate a dynamic response. This means that the generated resistance increases proportionally with how fast you pedal. And to be even more specific, the faster you pedal, the more resistance you will get.

As opposed to other fitness machines with an air resistance system, the XTERRA AIR350 bike doesn’t have an additional magnetic brake or a fan damper in order to increase or decrease the overall resistance. As we’ve already mentioned, the only resistance-generating element is the fan.

This exercise bike is equipped with a belt drive system. One of the main advantages of this type of transmission is that it does not require lubrication, so you don’t have to go through the hassle of removing the plastic guards to lubricate the belt. It also generates slightly less vibration than a chain drive, so the pedaling motion is smoother.

The bike’s crankset features arms similar to most upright bikes, rather than spin bike crank arms. They’re cylindrical and a bit shorter. But nonetheless, they are durable enough to support standing up workouts if the user doesn’t exceed the specified 250 lbs (113 kg) weight limit. The pedals are ABS-made, with a metallic core. They have a weighted design so they always turn face-up if you remove your feet from them. They feature a non-slip surface and adjustable straps.


As we’ve mentioned above, the console unit included with the XTERRA Fitness AIR350 airbike is a standard unit without preset workouts. It features an LCD display with large digits that tracks time, distance, total distance, speed, and calories burned. It does not have a pulse reading function. Therefore, in case you want or need to monitor your pulse during workouts, you will have to use a separate device.

Although the console unit does not have preset workout programs, it does have goal setting functions. You can select a goal for time, distance, or calories. If a goal is selected for any of these, the unit will countdown from it until it reaches zero and always display the remaining value.

The unit is easy to use. It has three buttons – Mode, Set, Reset. The Mode button covers the selection function. By pressing it repeatedly, you can change the workout metric that you want to view on the display. It also allows you to select the Scan Mode which rotates all the values as you exercise, showing each one for 6 seconds.

The Set button covers the goal function. It allows you to enter setup mode and choose a workout goal for time, distance, and calories. And finally, the Reset button clears all the values on the console to zero, except the Odometer (total distance).

The console unit is battery-powered. It requires two AAA batteries which are included. It starts up when it detects flywheel movement, and also automatically shuts off after a few minutes of inactivity on the bike.

One last notable feature of the console is the device holder. This accessory consists of a small shelf right under the display. It can serve as support for your tablet or smartphone, but the console does not have any connection ports (USB or AUX) for your device.

Assembly and maintenance

The main body of the bike with the flywheel, crankset, and belt comes pre-assembled. However, the rest of the parts still require user assembly. Thus, you will have to attach the two base bars, the front upright bar, the pedal bars, the pedals, the handlebars, the seat post, the seat, and the console. This may take more than an hour, but the task is fairly simple. The manual provides very clear assembly instructions and all the necessary tools for the task are included.

Since the bike has a belt-drive system, its transmission doesn’t require any lubrication. All you have to do for maintenance is remove the dust that may accumulate on the flywheel and its cage, lubricate the joints if they begin to squeak, and periodically check for loose bolts and parts.

The Pros

  • Sturdy and stable frame for a bike made for home use – can support users up to 250 lbs;
  • Aesthetic design;
  • Transport wheels on the front base;
  • Adjustable levelers on the rear base;
  • Mobile handlebars for arms workouts;
  • Footrests included;
  • 4-way adjustable seat;
  • Air resistance system, great for interval workouts;
  • Exercise meter included;
  • Target settings for time, distance, calories;
  • Tablet holder integrated into the meter unit;
  • Bottle holder included;
  • Little maintenance required;
  • Fairly quiet operation;
  • Easy to assemble.

The Cons

  • No pulse reading function;
  • No backlight on the console display;
  • A tablet placed on the tablet holder will cover the console display.


The XTERRA Fitness AIR350 is an air resistance exercise bike designed for home use. It features a large and thick 6-blade fan for improved resistance, a 4-way adjustable seat, and a console with goal tracking for time, distance, and calories burned. It’s an excellent bike for HIIT workouts, full-body cardio workout, stamina development, muscle toning, and weight loss.

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