ASUNA 4200 Upright Exercise Bike Review

Sunny Health & Fitness are known for their equipment. They have a foothold in just about every piece of the exercise equipment market. Whether it is ellipticals, recumbent bikes, upright bikes or so on, they are likely to have a few models. It is these sunny stationary bikes that we are going to be looking at today, specifically in the form of the Sunny Health & Fitness ASUNA 4200. This bike falls in the middle range in terms of price, so you should expect a little bit more than the bare basics. It is also one of the more premium upright bikes that Sunny Health & Fitness offers. So we’re going to see if it actually offers quality equipment. The resistance, electronics and so on all need to be compared to the price in order to check whether or not it turns out worth it. So with all of that out of the way, let’s hop into our review of the Sunny Health & Fitness ASUNA 4200 upright bike!

We’ve already mentioned the price a couple of times now, so it only makes sense that we start with that. You can find the ASUNA 4200 upright bike for a price that will generally range between $400 and $470. Like we said earlier, this is around the middle of the pack in terms of upright bike prices, with maybe a slight hint towards the expensive side. The warranty that comes with this bike is ever so slightly different than the typical one that you expect with these. You get a 5 year guarantee on the frame of the bike rather than the typical 3 years. This is actually kind of insane, as it normally seems that the sun will explode before Sunny Health & Fitness changed their warranty policy. We certainly recognize it and appreciate it nonetheless. You still get no labour warranty and 180 days on all the parts, but it is still nice to see some sort of longer warranty with the bike. The shipping process should only take 1 or 2 weeks, although this can be affected by things like human error and the pandemic. Once it arrives, you should find that the assembly process isn’t that difficult. The manual is pretty clear and even those who aren’t particularly familiar with the similar processes should find that it doesn’t take too long to assemble the ASUNA 4200 cardio bike.

Many modern home exercise bikes see a good console as a necessary ingredient to their success. The same is true of the ASUNA 4200 upright bike. For this price, you can expect a decent monitor, but nothing that will break records or inspire heroes. The LCD screen is backlit, which allows for clear reading even in darker conditions. You will be able to read various statistics like time, speed, distance, calories, pulse, RPM, watts, and your current resistance setting. The heart rate comes through the handlebars (more on that later), as it isn’t compatible with Bluetooth chest straps or anything. There is no option to track these statistics in metric measurements, which is somewhat of a disappointment. You do get the benefit of having 5 preset workouts in addition to the regular manual mode on here. These areBeginner, Advanced, Cardio, Sporty and Watt. You also get recovery and body fat functions, which are all pretty nice additions. You wouldn’t always expect these sorts of features to be available on this sort of console. The console is powered by being plugged into an outlet rather than batteries. A good console, if not a revolutionary one.

Then there is the resistance of the ASUNA 4200 upright bike. Considering this is the element of the bike that will actually get people fit, it seems only natural that it is one of the most important aspects to cover. It is a standard magnetic resistance system with a belt drivetrain, which makes the entire workout that much more quiet and smooth. This is always appreciated. There are 16 distinct levels to choose from, which is a pretty good amount for those looking for variety. It isn’t the most ever, but it still allows for good customization. The crank of this bike is a 3-piece one, which is great. 1-piece cranks are basically just pieces of metal that are welded together in order to hold the pedals together. A 3-piece crank is always superior. We don’t know the specific flywheel weight of the ASUNA 4200, nor do we know the specific Q-Factor of the bike. However, we do know that the Q-Factor of the ASUNA 4200 cardio bike is a bit narrower than is ideal. For those who are unaware, the Q-Factor is the distance between the pedals. If it is too large, you get uncomfortable while on the bike. If it is too narrow, the same thing occurs and you run the risk of injury. It shouldn’t reach that injury point, but it still might become uncomfortable. In general, a good selection that will get people fit and allow for some customization.

The ASUNA 4200 upright bike measures out to be 41 inches (104 cm) long, 21.5 inches (54.6 cm) wide and 56.75 inches (144 cm) tall. The bike weighs a fairly hefty 99 lb (44.9 kg) and can hold a maximum weight of 265 lbs (120 kg). The general build of the ASUNA 4200 stationary bike is the standard steel frame that you would expect. There are transport wheels on the front of the bike to help with mobility, although they are quite small. Similarly, there are stabilizers on the back of the bike that are absolutely miniscule, so you might notice the occasional rocking if you plan on going for some intense workouts.

We’ll finish out with the rest of the physical elements, starting with the handlebars. The handlebars of the ASUNA 4200 upright bike are pretty unspectacular, but they do have a couple nice features. They are non-slip and multi-grip, allowing for comfortable positions for both hands. There are pulse sensors on them in order to help vaguely track your heart rate. But that’s it. No adjustments to be found here. The saddle of the ASUNA 4200 upright bike is also fairly standard, although it does the job well enough. It can be adjusted both vertically and horizontally, helping people of different heights and weights fit onboard. It is estimated that people between the heights of 5’1″ and 6’5″ (155 – 165 cm) will be able to find a seat height and position for themselves to fit comfortably. Well, we say comfortably. The ASUNA 4200 does share the weakness of many upright bikes under 500 in that the seat is not the most comfortable, but it will generally do as long as you don’t go on super marathon sessions. The pedals are weighted and have adjustable straps to keep your feet in place, but otherwise aren’t anything special. But at this price, they don’t really need to be. The saddle tube is fairly thin, which means you might get some wobbling on the more intense workouts. The floor stabilizers might offset this a little, but not a ton. As for any additional bonus features that the ASUNA 4200 upright bike has, you’ll find a media tray and water bottle holder available on and near the main console. This is nice, as you get both entertainment and the ability to rehydrate from these features. But that’s about all the bonus features you’re going to get.

ASUNA 4200 Upright Bike Pros:

  • Seat is adjustable both vertically and horizontally
  • The magnetic resistance and belt drive combine to make a quiet experience
  • There are a nice 16 levels of resistance to choose from
  • Monitor has 5 preset workout programs available
  • Monitor has a wide variety of statistics to look at and examine
  • Bonus features of tablet holder and water bottle holder are always nice
  • Assembly process is fairly easy and straightforward
  • The handlebars have pulse sensors in them to give more stat options
  • 3-piece crank is always quality

ASUNA 4200 Upright Bike Cons:

  • Monitor doesn’t have any Bluetooth or online connectivity
  • Monitor doesn’t allow for metric measurements
  • The media tray blocks the view of the monitor
  • There is no labour warranty
  • The seat can be uncomfortable after long periods of time

Final Verdict

The Sunny Health & Fitness ASUNA 4200 upright bike is a fine piece of equipment. It allows for a good variety of exercise, whether that be from the preset workout programs on the monitor or the decent choice of resistance levels. You can track all of these statistics and your performance through the monitor, although you will have to manually collect them in some other app or program if you wish to look at it over a longer period of time. The ASUNA 4200 cardio bike isn’t perfect, as it lacks a comfortable seat and online connectivity that some other bikes have. However, as it is, for the price point, you could feel pretty happy with this bike. Are there better options on the market (like those upright bikes from Nautilus)? Yes. Are there worse options? Most certainly. So take that as you will.

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