Hi there, I was on a test run of my new Jetblack Victory last night and ran into a pretty serious race issue with the victory, wondered if anyone else came across it. So the ride I was in was pretty pacey, and we went up Volcano and pushed the pace a bit knowing I could coast on way down. However when I stop pedalling, my power and cadence would not drop to 0, power went from 300w then hung at 25 watts and cadence went from 90ish to 75 and remained there. This blocked the “supertuck” feature, which is a problem I wasnt expecting to have to deal with. So multiple times pedalling, and stopping, and it would never go to 0 until the flywheel completely stopped. I finished the ride, and then did a manual calibration in the Jetblack app, and went back to Zwift. Lo and behold, everything working again. But the trainer is supposed to have autocalibration, and I should not need to do that, I never did that with my Kickr. Anyway, mentioned it to a buddy who also has a Jetblack Victory, and he ALSO has the same issue, so seems there is an issue with the 4.9 firmware on them and auto calibration. I emailed support yesterday but not heard back yet. Anyone else seeing this issue?
I don’t get mine until mid December. I hope that’s fixed by the time it arrives. How do you like it so far?
The trainer is great, quiet, virtual shifting is a game changer, the Wifi and BT bridge is really lovely, but because of the issue with power, I cant use it. If calibration is not working I will need to use my Kickr instead until this is sorted out. A friend of mine who also has one has same issues, but is finding the power reading erratic too when in races. It may also be a calibration issue but we cannot be expected to calibrate ourselves in the middle of a race so I cannot trust the numbers right now.
I just received the JetBlack Victory this week…i have done 2 days of testing and dual recording vs my Assioma Duo that are always very close with my Neo2T and also checked on IRL Climbs with VAM Calculation.
Check the duals on my ZP Profile under analysis tab
There is a Description in mostly all of the duals about what are the problems.
I made a short video and you can see the crazy power reading with INSTANT Power.
I will post a longer review after 1 week of testing but at the moment trainer is showing 6% to 8% less Power than Assioma Duo.
Autocalibration after coasting is a problem also.
Maybe it is the autocalibration with the v shifting that is a problem because lot of people are getting problems with it overeading or undereading when virtual shifting is on
I tried without VS and it was not better. When i do a cold Calibration trainer is around 6W lower…when it gets warmer it drifts closer to 10W. When i do warm calibration it was always around 15W lower…i tried Spint autocalibration and it gets to similar number.
Next test today as i was on my Neo2T yesterday
Have received my Jetblack Victory and have the same issue of under reading of power by about 10% (as a minimum). Have contacted Jetblack and was asked to send the files and I would hear back this week but so far nothing. (My Assimos, 4iii and Wahoo are within 2% of each other). Stopped using the trainer at the mo as pointless racing with a 10% handicap. (firmware 4.9)
I also have under reading of power against my 4iiii meter. Hope this gets solved!
Yup, my power is down by about 20% on the Victory compared to my Stages crank. I’m running 3.9 as well, I can’t find any other more recent version of firmware to update to. Hopefully a firmware update comes out pretty soon to address this.
OK, updated firmware to 4.12 and that helped. I was previously about 25% lower on Zwift, now only 15% lower. Still too much difference. Support gave me the instructions on how to upgrade to 4.12 and I replied that I still had an issue so hopefully they can provide an update / response.
Got the update, attempted to do it, app crashed and now the update is no longer available. Basically a 400 quid door stop at the moment
When you updated did it say your new firmware was 4.12 or on the app still says 4.9.
Getting a little miffed with it all now
In order to acquire 4.12 I put in a support ticket to JetBlack and they emailed instructions on how to download that version. If you just “update firmware”, you’ll only get 3.9.
Here’s a copy of the email that they sent me:
> Please follow the below instructions. After uploading, please warm the trianer up and perform a spin down calibrations within our App.
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> Let me know how you get on.
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> Murray
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> Using the JetBlack App.
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> Go to setting > Advance setting > Enable firmware preview > back to Firmware update > tap 3 dots top right > Enter Code > update.
**> **
> The Victory upgrade code is 04_12_00.
**> **
> FYI, if you have set up WIFI, after the update, the WIFI module also updates with a green flashing light for 2 mins.
Good Luck.
Thank you for the above, have managed it now but apparently they had issues with the andoid version of the app crashing, so I used my wife iPhone. Updated now and still 10% low power readings and now wifi drop outs so not much luck and going backwards not forwards.
I hear you. My Victory is anywhere from 15% to 25% lower than my Stages and today I experienced 2 dropouts. The first one was within 2 minutes of the start so I just restarted but the last one was within 2 minutes of the end, fortunately it was only a short dropout and everything came back. I would have been really pissed if I were racing and got a dropout right before a final sprint (if I did that kind of thing).
4.12.9 (code 04_12_09) is the newest preview firmware. Some are reporting better wifi stability, but I think it’s too early to call.