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CycleOps 420 Pro Indoor Cycle

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Item # COP000Y

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Item # COP000Y


If you live someplace where you're homebound all winter, you'll want the most effective training tools possible for maximum off-season gains. The CycleOps 420 Pro Indoor Trainer not only solves all challenges to training indoors, its plethora of features allows you to simulate everything from the natural ride feel of rollers to hard sprint intervals usually reserved for a trainer.

The 420 Pro Indoor Cycle comes with a PowerTap powermeter in the rear fly wheel as standard equipment. With the power readings, you'll get accurate digital feedback to know exactly what your effort is, not just what it feels like. You're also able to use a an ANT+ compatible computer, like the Joule 2.0, to communicate wirelessly to the PowerTap hub. And if you choose to use the aforementioned Joule 2.0 on your bike outdoors, it will also communicate with any other ANT+ powermeter and/or cadence and speed sensors. Please Note: This particular PowerTap in the rear flywheel operates on a narrow portion of the frequency range within the full breadth of ANT+. This means that, even though computers like the Joule 2.0 are easily used to detect other powermeters, you may or may not be able to substitute another ANT+ CPU to read your power data on the 300 Pro Indoor Cycle.

If you choose to use the Joule, though, you're able to track a variety of information as you ride. In real time, you'll view your power in watts and w/kg and see your current, average, and max. For interval training, you'll find the power zone, average power zone, and max power zones to be effective data gathering. For peak power, you can view data in five second, five minutes, and twenty minute increments. You'll also gain access to WKO+ metrics like training stress score, normalized power, and intensity factor. Work is measured in kilojoules and kilojoules per hour for the power minded, and also in calories for the days where you just want a rewarding workout. Other useful readings include your current, average, and max cadence and heart rate. As for climbing, you can view your current gradient and current altitude and how long and high your total ascent has been. And of course, Joule displays the time of day, your distance, and how long you've been in the saddle. Another great feature is the ability to store a good bit of data on the Joule 2.0 CPU before having to download it to your computer. On a personal note, we've saved up to 20 rides before doing a data dump. And to make life easier, the CPU accepts a Micro SD card to expand the storage capacity.

The 420 Pro features Controlled Resistance Technology. This means that it will conduct the resistance per a custom or saved ride in a Joule 2.0. In other words you don't need to reach down and adjust a knob multiple times during your ride. Additionally, you can control power, slope, or gearing to give you the exact ride profile that your training plan requires.

Pair the 420 with the iPad to control workouts and use CycleOps virtual training. With this feature, not available with the CycleOps 300, you'll be able to take your training metrics to a whole new level. Manage performance data with dashboard functions, ride reports, history, and workouts. Upload your workouts to your favorite social media or training site. An ANT+ dongle is required for this use, and may be purchased separately.

So, you've heard why you should get a CycleOps 420 Pro Indoor Cycle, but you might be asking yourself why you should get it from Competitive Cyclist? The foremost reason is that we package and ship it via UPS in a customized box, in a nearly ready-to-ride condition. It will be fully assembled by our team of professional mechanics, just like we'd build a halo race bike. The only work that you'll need to do is insert the seatpost and stem, and then dial it in to match the fit of your bike. You can do this without tools — which is another benefit of the CycleOps Indoor Cycles: A husband and wife can share the same bike, since adjusting seat height and effective reach takes mere seconds. The seat height can range from 66 to 92cm from the center of the bottom bracket to the top of the saddle, of course, this can vary if you change the saddle depending on model. The indoor cycle ships without pedals, so you can set it up just like your favorite road or mountain bike. We sell the CycleOps Indoor Cycles in a drop bar configuration (not the bullhorn bar that you sometimes see), and it has two water bottle holders for workout hydration.

Please Note: Due to the size and weight of the package, the CycleOps 420 Indoor Cycle is shipped via freight carrier only and is limited to the contiguous U.S. The cost to ship this item is $175. Also, please be aware that this Indoor Cycle does not include a CycleOps Joule 2.0 CPU.

Tech Specs

[body] aluminum
Controlled Resistance Technology
Recommended Use:
indoor training
Manufacturer Warranty:

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Strongly considering the 420 but concerned...

Strongly considering the 420 but concerned about controlling the resistance. I've seen some reviews about using a bluetooth gaming controller. Alternatively, is it easy to position an ipad for viewing and resistance adjustment? Can I buy pedals with the bike?

Competitive Cyclist did a great job of assembling mine, packing and shipping.

Go to the Cycleops website for a proper description, the above is not current.

The 420 works with a tablet, or computer and you can change your resistance on both. For convenience, I use a $6 game controller plugged into my laptop and strapped to the bars, to change resistance or change gears. It is easier than hitting a key on my laptop, or the screen of an Ipad.

Changing resistance is not done often though, as riding routes resistance is automatically regulated based on slope and gear position similar to riding a bike on the road. Riding intervals, you pre-program your interval power values, which are then automatically regulated.

The only time for instance I would change resistance manually for example, is if I programmed an interval of say 200 watts for 5 minutes, followed by the next interval 400 watts for 2 minutes. After a minute doing 400 watts, if it gets to hard I will manually bump down to say 350 watts by hitting a button on my game controller.

Once you have figured this bike out, it can do anything you could possibly do on any other trainer.

What is the difference between the 400 and...

What is the difference between the 400 and the 420?

Best Answer

The 420 uses the ANT+ dongle or Wahoo fitness Ipad ANT+ key (sold separately) to transmit ride data to a tablet/laptop. It also allows use of Cyclops Virtual training. The 400 only uses the Joule computer to display ride data.

The Cyclops website states that the 420...

The Cyclops website states that the 420 Pro comes with Joule 3.0, yet your description says Joule 2.0. Are your models out of date or is the site incorrect?

Best Answer


I just heard back from Saris/CycleOps, and these are not coming with a computer. These are designed to work (wireless) with a computer or tablet, from which you can pull from a plethora of routes from around the world (complete with videos in a lot of cases). Sorry for the confusion with the spec! If you have any additional questions with this, please feel free to email us at