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Tag: Zwift

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Tips for a Reliable Zwift Experience

I’ve been using Zwift for several months and have had my fair share of application crashes, but I think I’ve resolved them after a bit of trial-and-error.  Here is my list of tips for having the most reliable Zwift experience.  Note that you should only consider the following tips if you’re having issues… if you’re not, then ride-on!

Plugin Your Laptop’s Power Supply

Most laptops try to conserve power when they aren’t plugged-in to prolong battery life.  Give your laptop all the power it needs to run Zwift by plugging in the power cord.   That’ll also save you from getting towards the end of your ride and then having to stop riding to plugin your laptop because your battery is dead.  Your smart trainer needs power anyway, so it’s not like you can create a cord-free environment no matter what you do.

Note that there is now a “Laptop Battery Saver” option in the Zwift settings as well. If you’re computer is hard-wired to power, select the “Off – Max Speed” setting.

Use a Wired Secondary Display

If you’re projecting Zwift to a TV or second monitor, use a wired connection instead of a wireless one (like Miracast).  I think this was the reason Zwift kept crashing on me.  I project Zwift onto a TV using Intel WiDi, which is similar to Miracast, and after about an hour of riding the screen would freeze even though the sound was still going.  I recently purchased a long HDMI cable to hard-wire my laptop to my TV and I haven’t had any Zwift lock-ups since.

Use Zwift in Windowed Mode on Second Display

When Zwift runs in full screen mode, it will always display full screen on your computer’s screen and you can’t drag it onto another display.  As a result, you end-up setting-up your computer to duplicate the display onto a secondary monitor or TV.  I can only assume that running Zwift on your computer and a secondary monitor requires more resources of your computer for no real gain.  Instead, change Zwift’s “Screen Mode” setting to “Windowed” so you can drag it to your secondary monitor or TV.  This also gives you the advantage of being able to open other applications on your main display.  In my case, I open-up Pandora via a web browser on my main display and listen to music while riding with Zwift on my secondary display.

Use Wired Internet Access

This might not be an option for many since it’s unlikely that your Zwift rig is setup near your Internet router, but if possible, hard-wire your computer to your network instead of using Wifi.  Hard-wired access is always faster than Wifi and isn’t as subject to temporarily losing a signal.

Configure Your Computer for a High Performance Power Plan

If you’re using Windows, you can adjust the power plan settings so that your computer can use as much power as it needs to make the game run well.  I recommend starting with the “High Performance” power plan and modify it as you see fit.  Note that a high performance power plan typically assumes your computer is plugged-in to a power source, not running on batteries.  Here’s how to configure a power plan in Windows 10.

Ensure Zwift is Using the Right Graphics Adapter

Most laptops don’t have secondary graphics adapters, so this may not apply to you.  However, PCs and high-end laptops might have secondary graphics cards, like a NVidia adapter for example, to handle intense graphic needs.  Make sure that when Zwift runs, it is using the graphics card you want it to use, not which ever one Windows picks.  On my laptop, there is a NVidia application in the toolbar that has a link that states, “Customize which applications use the GPU.”  I have it set to always handle Zwift.

Configure Zwift for the Appropriate Screen Resolution

In the Zwift application settings, you can set the “Game Resolution” to 576p, 720p, or 1080p.   Don’t select a setting that is higher than your hardware can handle because that will just make your PC work harder for no benefit.  For example, I’m projecting Zwift onto an LG 720p TV.  I could set Zwift to display 1080p, but that won’t do any good because the TV won’t be able to display the increased resolution.

Ensure Your Comptuer Hardware is Up to the Task

If you’re projecting Zwift onto a new 4k TV and you’re expecting flawless performance, super high resolution graphics and high frames-per-second, your computer better be a pretty new, top spec high-end machine ($$$$) as well.  Don’t expect a 10 year old el-cheapo computer to be able to handle pumping-out hours of high resolution graphics without melting down.  (Note that Zwift won’t display at 4k yet, but you get the picture…)

Although I’m not sure of how much it will help Zwift, it doesn’t hurt to increase your laptop’s memory to as much as it can handle (or you can afford) and perhaps upgrade to a solid-state hard drive (SSD) instead of a standard hard drive.  SSD prices have come way down over the past few years and my experience is that they do boost performance significantly.

Ride on!

Zwift Ocean Blvd

My Zwift Island Rig

My Wahoo Island Rig

When training indoors with the Zwift software, the main route is called “Zwift Island”.  As such, the term “Zwift Island Rig” has caught-on as a way to describe one’s setup for using Zwift.  Technophobes might may find using Zwift a bit of a challenge as it does involve considerable technical expertise to get it running smoothly.  My Zwift rig is hardly pretty to look at, but it works for now and is a work-in-process as I learn what works and what doesn’t.

It’s my opinion that the best Zwift setup is the one that involves the least amount of work to get it working.  If it takes a half an hour to get setup before each ride, that’s way too long and will be a discouragement to training.   The only part of my rig that requires setup is getting Zwift started on my laptop and then wirelessly projecting it to my TV.

I purchased a refurbished Wahoo Kickr with 10-speed cassette from Wahoo Fitness which brought the price down below $1k.  Since my custom-built Trek ION cyclocross (CX) bike has the Ultegra 10-speed components group, I opted to use it for my training bike.  I have a Shimano 105 11-speed cassette in case I want to put my road bike on the trainer, but my CX bike is configured for a more comfortable up-right riding position.   Since there is no wind resistance to worry about in indoors, riding up-right like a giant parachute won’t affect my training results.

CycleOps Sweat Catcher Bike Thong

My rig is setup in my basement where it is typically about 60° F all winter long.  Although that is a tad cool when I first start riding, it only takes a few minutes before I wish it was colder.  I have a cheap box fan nearby to keep cool and have it within an arm’s reach while reading to crank-it-up as I start to get hot.  The fan is also to my side to maximize the surface area the breeze cools on me versus having the fan straight in front of me.

I use the CycleOps Bike Thong Sweat Catcher to protect my bike from the corrosion caused by dripping sweat.  It has a nice pocket in the front for holding my TV remote and mobile phone.  Since my basement floor is concrete and I don’t really care what happens to it, I don’t have anything under my bike.  However, it’s recommend that some kind of mat be put on the bike if protecting the floor is of concern as sweat and chain oil can get on the floor.

Wahoo RPM Cadence Sensor

My cyclocross bike doesn’t have a cycling computer or related sensors, so I opted to purchase the Wahoo RPM cadence sensor to provide cadence data to Zwift.  The sensor is attached to a strap on my right shoe as shown above as opposed to being strapped to my bike’s crank arm.

Without a cadence sensor, I found that Zwift would attempt to calculate my cadence, but typically calculated it to be much faster than it actually was.  This created issues when using Zwift in workout mode.  Zwift would cause the Kickr to apply a lot of resistance to maintain the workout’s desired wattage because it thought I was riding at approximately 95 RPM.  The reality was that I was pedaling much slower, likely around 65 RPM’s.   This became a big problem when I was running out of gears and my legs were getting tired.  I don’t like grinding my gears at low RPMs because I want to preserve what is left of my knees.

Lenovo ThinkPad W520 and Samsung Galaxy Tab4

Zwift requires a computer with a decent graphics card and considerable processing power.   Although my 2012 Lenovo ThinkPad W520 laptop is a bit dated as far as technology goes, it is capable of running Zwift without much problem.  Unlike lower priced laptops, it has a dedicated NVidia graphics card that is pretty much necessary for smooth Zwift operation.  I have the NVidia software configured to always run the Zwift application using the NVidia card and not the onboard Intel HD 3000 graphics card.   Running Zwift using the onboard Intel graphics caused Zwift to crash because the graphics processor couldn’t keep-up.

Unfortunately, I’m a Microsoft Windows 10 nerd living in a Apple/Android world.  Even though the main Zwift application runs on a Windows PC, their mobile application only runs on an Apple or Android device.  It’s not necessary to run the mobile application in order to use Zwift, however, the mobile application makes it easier to perform interactive tasks like giving other riders a “Ride On!” notification, taking turns in the course, and a host of other social features.

The Wahoo Kickr Fitness application is also only available on the Apple and Android platforms.  It is used for updating the Kickr’s firmware and for performing “spindown” calibration tests.  To ensure my Kickr doesn’t get too far out-of-whack over time, I opted to purchase a Samsung Galaxy Tab4 tablet to run both the Zwift and Wahoo mobile applications.  Because it’s considerably larger than a phone, it makes working with the Zwift and Wahoo mobile applications relatively easy when riding.

Suunto ANT+ Adapter

In order for the Zwift software to wirelessly detect the Wahoo Kickr and Wahoo RPM cadence sensor, I’m using the Suunto Movestick Ant+ Mini USB Adapter.  Aside from plugging the USB dongle into my laptop and letting Windows install a driver, there wasn’t anything else necessary to get it to work.

To project the Zwift application onto a larger screen, I use my laptop’s Intel WiDi wireless display capabilities to project to the Microsoft Wireless display adapter that is plugged into my LG television.   Although projecting to my TV is nice, I’m pretty sure I’d be just as content with riding on Zwift using just my laptop screen.   However, mounting my very heavy laptop in front of my bike at a location I could reach it would involve purchasing some kind of podium or the like.

My current rig works quite well as is, but there is always room for improvement.   Some thoughts on improvements include:

  • My television is mounted too high on the wall to be comfortably viewed for any length of time while riding.   (However, if I lower it for indoor riding, it’ll be too low for watching while doing other exercise in my basement.)
  • Although the box fan was a cheap cooling solution, it hardly moves any air.  I’ll likely look for a pedestal fan with a bit more horsepower in the future.
  • I ‘d like my tablet mounted on my bike’s handlebar so it’s easier to type group texts and interact with Zwift.
  • Using a large computer monitor and hard wiring it to the laptop instead wirelessly broadcasting to my TV might help speed-up the setup time.

If you have any questions about my Zwift rig or need some assistance in setting up your own, please leave a comment.

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Fighting Indoor Cycling Boredom

Every year the same thing happens:  I’m usually in pretty good cycling shape by the time fall arrives, only to have the cycling season come to an abrupt end once Daylight Saving time hits and I’m cast into cold and darkness for the next 6 months.  I tell myself, “I’m going to ride my indoor training this winter so I don’t have to start over again in spring.”  I start riding my rollers a few times and those few times become less and less with each passing week to the point where I’m typically not riding at all by January.   Then that first warm spring day comes a few months later, I get on my bike, my legs don’t work and my butt is sore for the rest of the month as I try to get my legs back.  Ugh.

Why does this keep happening, despite my best intentions?  Because riding indoors is mind-numbingly boring.   Not only that, most bicycle trainers don’t come remotely close to simulating real-world conditions, adding to the misery created by staring at my basement walls for hours on end while sweat drips out of every pour.  Some local bike shops have indoor trainer rides, like Wheel & Sprockets Training Hub, which I can only guess would be a bit more fun than suffering alone, but I know me and I won’t want to pack-up my bike and trainer and then drive to my local bike shop every time I want to work-out.

Not looking forward to riding my rollers again this year but not wanting to lose all the fitness I had gained over the summer, I started looking for alternative trainers this fall.  Maybe a fluid trainer might somehow magically make me want to ride indoors again?   Or what about a new “floating” roller system?   While there are a lot of options these days for indoor cycling trainers, almost all of them fail at the same thing:  Keeping one’s mind entertained while one’s body is exercising.

While there are a lot of options these days for indoor cycling trainers, almost all of them fail at the same thing:  Keeping one’s mind entertained while one’s body is exercising.

If you stare at the Internet long enough, you eventually find what you’re looking for.  In my case, I searched for a pretty long time before I stumbled across a new type of trainer that not only appealed to the cyclist in me, it appealed to the technology nerd in me.  That new type of trainer is the smart trainer.  A smart trainer takes the decisions regarding resistance away from the rider and gives it to software that can vary the resistance to simulate riding in the real world.

The most popular of the current smart trainers is the Wahoo Kickr.  After reading countless reviews of the Kickr, almost all of them very positive, I began wondering what all the fuss was about.  Wahoo Kickr TrainerThe “fuss” is all about the fact that using the Wahoo Kickr along with software like Zwift suddenly turns one’s uber-boring indoor training session into an interactive video game.  The Zwift software controls the Kickr and presents you with a virtual world to cycle in, either by yourself or with hundreds of people around the world.   Bingo!  An indoor training solution that incorporates mind-stimulation!  I could feel my wallet starting to come out of my pocket.

However, as exciting as it may seem to have an indoor trainer that creates a virtual environment, this technology doesn’t come cheaply.  I originally started my new trainer search thinking a $500 trainer was ludicrous and ended up purchasing a refurbished Wahoo Kickr for almost $1,000.  What?!?!   Have I gone mad?   What if I don’t like it just like I hated all my other trainers!?!?!

In the two months I’ve owned the Wahoo Kickr and have been riding on Zwift, I really like the combination.   I almost find it hard to believe that I want to ride my bike indoors now.  The header image is a screen-capture of “virtual me” on Zwift.

In my next post, I’ll show my “Zwift Island rig” (i.e., how I have my bike setup to ride on Zwift).  It’s by no means pretty, but involves quite a bit of technology that I’ll explain for those who are thinking about preventing boredom this winter.  I’ll also explain why I’m starting to think the hefty price tag of the Wahoo Kickr is justified.

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