Colin - what you described there is what I experience. On change of grade, around a 10 delay for the grade and resistance to kick in, mean while I feel low resistance and consequently end up with increased cadence.
I run Zwift on Apple TV and Kickr Core v1, play controllers and HRM all hooked up to Zwift companion. Zwift and Zwift companion are hooked up to same wifi network. I have put it down to lag caused by Zwift not directly controlling the turbo and having to go across the network.
@Colin_McAndrew1 could you please direct message me (I’ll start a DM with you now) the serial number of your KICKR Core V1? I’ll send it to Wahoo Support as well so they can take a look at the data coming from your trainer as well.
@Mark_Hulskamp going to send you a direct message with some additional questions and things to try.
I have same kind of issue but with a high resistance as before. I ride with trainer difficulty on 30% and normally I put out around 200 watt in gear 15 with 85 rpm now it is around 280 (or even more) and it’s hard to go to 85 rpm.
I had this issue a few months ago and receive a replacement kickr core from wahoo support, that solved the problem but now after a few months the issue is back. So it seems that it is not directly related to the device itself
Trainer Model (if KICKR, specify the version, e.g. V4, V5, V6, Move): Kickr core v1
Trainer Firmware version: 1.5.36
Confirm if you are using Zwift Click, Play, or Ride: Ride
Confirm Firmware version of the Zwift shifting device you are using: 1.2.0
Confirm which platforms you are experiencing the issue with (e.g. AppleTV, Android, iOS, macOS, Windows): MacOS
Confirm if you are experiencing the issue with native bluetooth, bluetooth bridging via Zwift Companion, and/or WiFi: Native bluetooth
Confirm if you are using Virtual Shifting with Zwift Click, Play, or Ride: Virtual shifting via zwift ride
Confirm your in-game Trainer Difficulty setting: 30%
Confirm your in-game Shift Style and Gear Range settings: Sequential - Mixed terrain
Yesterday I did an ERG mode warmup which is always fine, after that I joined a race and the resistance was undoable in gear 15 so I quit the race also the free ride afterwards (also did a spindown between two free rides) was the same behaviour
Today I was testing it again, at the start of the free ride the same hard resistance (gear 15, 85 rpm 300+ watts) but without doing something just after a minute of riding it “clicked” and resistance fell away and returned to the normal resistance I have on that gear. So I’m not sure what it is causing it
Do you see anything interesting if you upload a log file to trainerdx.com? That would show if there are problems communicating with any of the paired devices.
As far as I can see, with the latest log file, there are no bluetooth disconnects, resets or resends. I will check again if the issue is there again on a longer ride.
I also saw that the log file of yesterday was still there but also that one didn’t show any bluetooth problems
Has anybody found a solution to this yet? I am trying to free ride and my resistance just isn’t working at all. It was for a bit then all of a sudden just stopped. ERG is totally fine. Kickr Core version 3.5.24
For future reference, in case somebody else comes across this issue. I just chose a random wheel size.
This sounds an awful lot like a known issue reported by Wahoo and the work around for this is fairly easy. You’re going to need to do this in the Wahoo App so please make sure you are not connected to Zwift or Zwift Companion. You’re going to update the settings for the wheel circumference. Once that’s done please be sure to completely close the Wahoo app before launching the Zwift game and trying to connect again.
Note that on android just closing the wahoo app is not enough, it keeps running in the background waiting for bluetooth connections. You have to force kill it from the apps list.
I started zwifting on a Wahoo Kickr Core One and my Gravel-Bike.
Sometimes I observed a resistance drops during climbing.
4 weeks ago I changes my setup to
and the trouble starts.
Any ideas ?
Paired via WiFi or Bluetooth? If using WiFi, try Bluetooth instead. That’s a pretty common problem when WiFi pairing that trainer.
You are using WiFi. The icon lower left shows that. Click on that tile and choose an option with the Bluetooth icon.
You may also be getting lower power numbers from the trainer which could mean an FTP from the old trainer is too high. That could result in ERG mode spiral of death at a power target you could previously handle. If that happens, an FTP test could fix it
If I switch off WiFi on the Kickr-Core, I run in the Apple-TV bluetooth limitation, because die Kickr-Bridge obviously only works with WiFi on.
Wahoo says the Kickr Bridge works with Bluetooth and WiFi. Did you try it?
https://support.wahoofitness.com/hc/en-us/articles/28126062260370-How-to-use-the-KICKR-Bridge
I looked again at your pairing screen pictures because I was wondering if you had paired the heart rate monitor using the Kickr Bridge, but the heart rate monitor is not paired at all so I can’t tell if the Kickr Bridge is working for you either via WiFi or Bluetooth. The next step would be to pair the trainer via Bluetooth, and then pair the heart rate monitor via the trainer. If you try that, post a picture of what you see.
That picture shows that the Zwift Ride controls are paired via the Kickr Bridge, but the heart rate monitor is paired directly via Bluetooth. That arrangement looks OK to me because it only uses 2 Bluetooth connections, but the heart rate monitor could also be paired via the Kickr Bridge if you want.
