Vector 2 Balance suddenly wrong - Can I test the pedal set up?

I have had my Vector 2 since July 2015 and have always had a L/R balance of between 51%/49 - 54%/46%. More balanced the harder the ride.

Recently I have been getting a balance which is right leg dominant on occasions L/R 40%/60%, and 45%/55% and the PCO of the right foot is showing -15 or similar. Some times the readings a re more normal. When they are abnormal I seem to be getting about 30% more power from my right leg than I'd normally get. eg 90W left and 120W right = 210W when I'd probably expect less than 200w.

The first time this happened I re calibrated - no change.

I then reset instal angles and re-calibrated - no change.

I removed the pedals before the next ride. Made sure everything was clean. Greased the threads and re installed with the PODs swapped. Set instal angles and calibrated. - no change.

I've done 5 rides since this started happening and a couple have been more normal.

16/3/20 45%/55%

17/3/20 51%/49% - I thought I'd solved it

19/3/20 40%/60%

21/3/20 40%/60%

23/3/20 40%/60%

Is there a way of testing the pedal calibration - eg hang a known weight on the left then the right and compare?

I did move my saddle forward 4 or 5mm before the 16/3/20 ride but I can't believe that this has suddenly made my right leg super strong.

Hopefully there is an easy test i can do to check the pedals.

Nick

0 aweatherall over 4 years ago

See

https://support.garmin.com/en-US/?faq=AVZeQisZvi3oBYZUUZdPV6

0 nickdodo over 4 years ago in reply to aweatherall

Thanks aweatherall - that's exactly what I was looking for.

Since posting this I spoke to the nice people at Garmin support and decided to take up their offer of replacement Vector 3 pedals at a reduced price as a replacement exchange. Although reasonably expensive I have had the Vector 2 pedals a long time and have done many miles. I was considering new pedal bodies as they were quite worn. So the extra cost to upgrade is not that bad all things considered.

I've been really happy with the Vector 2 (and still have a pair on a second bike) and I hope the Vector 3 give as good service if not better.

Thanks again

Nick

0 repsychlist over 3 years ago in reply to nickdodo

Hola! I’ve suddenly developed the same problem. The right pedal is not only reporting ~60% but power value that are simply too high for me. What did Garmin support tell you? Did they say that it’s a wear and tear problem? Thanks

0 nickdodo over 3 years ago in reply to repsychlist

I contacted garmin support. They looked at the Garmin connect data from recent rides and decided that the failure was beyond repair and made me the offer of V3 pedals at a reduced price. I had to return my V2 pedals. Nothing to do with wear and tear as far as I’m aware.

0 nickdodo over 3 years ago in reply to repsychlist

Mine were Vector 2 - are yours Vector 2?

0 repsychlist over 3 years ago in reply to nickdodo

Yes.

0 nickdodo over 3 years ago in reply to repsychlist

I'd contact Garmin support. First make sure they are tightened to the correct torque - don't over tighten particularly if you use washers. If you use pedal washers then I'd suggest using new ones if you have them.

The replacement V3 pedals were not cheap.

Best of luck

Nick

0 repsychlist over 3 years ago in reply to nickdodo

Thanks. First will try resetting the torque by removing and remounting.

0 repsychlist over 3 years ago in reply to repsychlist

Update. Tried all the battery and mechanical fixes to no avail. I even disassembled the pedals to check the internal locknuts. Reinstalled the firmware and normal service has been resumed.

0 nickdodo over 3 years ago in reply to repsychlist

Glad it's all working again.