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Re: Official power2max support thread [Jonboy] [ In reply to ]
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Hi Jonboy,

none whatsoever on the Type S :). All Q-Rings works fine.

Cheers
Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Ive got the power2max classic road on the BOR RR688 crankset and would like to use it on my S-Works Tarmac SL3 (2011). Got lost trying to figure out which bottom bracket to use. Is it the "BOR/Tune bottom bracket for PF30 and BB30-OS"? Should I use the original cups?
Thanks!
/Nicklas
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Re: Official power2max support thread [nickhult] [ In reply to ]
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Hi Nicklas,

the answer depends a little on which version OSBB you have: if it's an aluminum frame or a frame with an alloy shell, the frame is 68mm wide and it's a standard BB30.

If you have the carbon OSBB, the frame is 61.5mm wide and the BOR PF30 / OSBB will fit. The difference to a "normal" OSBB is that little shims are included to get the bearing stance to 68mm.

Hope this helps,

Best
Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Hi and thanks for the reply Nicolas, that helps a lot! I have the carbon version, so I need the shims.

Thanks again!
/Nick
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Re: Official power2max support thread [power2max] [ In reply to ]
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Just received my power2max and managed to get it installed. Cannot wait to put it to use. Only thing I am not going to like is changing the battery, looks like I will have to take it almost completely off to get at the screws...grrrr.

How long is the battery life? What brand do I need to use?

MaryAnn
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Re: Official power2max support thread [power2max] [ In reply to ]
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Nicolas,

Are there any promotions going on now or in the near future for Power2Max spiders? I'm looking to give them a try but looking for something to sweeten the pot. My requirements are:

2014 FELT AR5
BB30
130 BCD
Rotor 3DF/3D+ Compatible (I've already got the cranks)
Type S preferred but Classic acceptable
Located in Canada

Thanks!

------
"Train so you have no regrets @ the finish line"
Last edited by: cshowe80: Oct 27, 14 18:56
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Re: Official power2max support thread [Beanster] [ In reply to ]
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Hey Nicholas,

I currently have a FSA Type 2 with a 130 BCD and standard 53/39 on it. I was wondering if it was possible to change out to a semi-compact for more hills that might work and if so what is compatible with the Type 2 I have.

Chris
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Re: Official power2max support thread [mhughes] [ In reply to ]
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HI all,

sorry for the late reply, travel got in the way.

@MaryAnn: the battery lasts around 400 hours (about one year for most people). You can use any brand on a Type S - only the Classic needs Renata batteries. The reason for how the battery screws are designed is that it makes for a very reliable and difficult to damage installation :).

@CSH: The Rotor 3D+ Classic power meter is on promotion for $729 :). Please make sure you order or have the installation tool - it's a Rotor specific tool that's not very common.

@Chris: The smallest compatible chain ring with 130BCD is 38. 52-36 won't fit, unfortunately. Edit: You can install a compact power2max, of course - on the side of the crank interface they don't differ.

Best
Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
Last edited by: power2max: Oct 30, 14 2:52
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Re: Official power2max support thread [power2max] [ In reply to ]
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just a quick question, I know that power2max reports an accuracy of +/- 2%, is there a repeatability figure? i.e. computrainer reports accuracy of +/-2.5% but repeatability of that accuracy of +/-1%
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Re: Official power2max support thread [fruity] [ In reply to ]
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Hi,

our figure is a trueness figure, so a repeatable measurement.

Cheers
Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Hi all,

just a quick note to say that I won't be able to respond to this thread over the next two weeks as I will be offline - apologies. Of course you can continue to reach us via our normal channels on the site.

All the best until then,

Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Ah, that's annoying as I have a question!

Maybe someone else can help.

I am getting some dropouts on the turbo, particularly when on the TT bike which has the head unit further away from the PM.

I was wondering if anyone else got this and whether this was a pre-cursor to a low battery.

I had a play with the battery and sometimes I put it in and it didn't flash green, maybe the contacts need a little fiddling.


Running analysis based in Leeds UK.
http://www.trimechanics.co.uk

https://www.facebook.com/trimechanics
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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Hi,

You're catching me as I'm leaving :).

What head unit and battery are you using? The classic needs a Renata battery, other brands don't fit properly.

The signal is pretty strong, indoors it's imaginable that here is a strong local interference.

Best
Nicolas

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Thanks for the reply.

Yes, its a renata battery, I have my phone playing music off the wifi very close, could this interfere?


Running analysis based in Leeds UK.
http://www.trimechanics.co.uk

https://www.facebook.com/trimechanics
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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Possibly, as it's also in that frequency range. What's the head unit?

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power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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sorry, it's a garmin 500.


Running analysis based in Leeds UK.
http://www.trimechanics.co.uk

https://www.facebook.com/trimechanics
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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If you only see it indoors it sounds like interference. See what happens if you place other emitters further away.

It's very unlikely that the power meter transmits intermittently because of how it's designed. An easy way to verify what's happening is to set up 2 head units in parallel. If it's a sending issue they would both cut out at the same time and for the same duration.

Best

---
power2max
http://www.power2max.com/northamerica
official power meter of Movistar Team
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Re: Official power2max support thread [power2max] [ In reply to ]
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Thank you for your input.
Earlier out on the road the power seemed down too. I will try changing the battery too and see what happens.

Thanks


Running analysis based in Leeds UK.
http://www.trimechanics.co.uk

https://www.facebook.com/trimechanics
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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Is this a tpe S power meter?
Is both power and cadens dropping out a couple of seconds while dokng a sprint og power burst?
I have had somw issues with that on my type S power meter. Havent seen it on the classical one.. And i usually get it while doing heavy workload up a litle hill or so. 1-2 seconds dropouts of both cadense and power. But other than that it works perfectly.
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Re: Official power2max support thread [power2max] [ In reply to ]
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power2max wrote:
Hi there,

if you want to have a power meter that works with Trek you'll need one with a 24mm axle, as 30mm axles don't fit in BB90 frames. You could go for the Rotor 3D (http://www.power2max.com/...-meter-with-cranks/I and use the Rotor BB30to24 bottom bracket (http://www.power2max.com/...to24-bottom-bracket/).

Edit: just saw and the frame you have isn't a BB30, it's a BSA frame with a square taper bottom bracket. So I would still go with the Rotor 3D and use the BB1 bottom bracket.

I hope this helps!

Best
Nicolas

Nicolas,

Sorry for the confusion, when I looked up the specs of my current bike, that website said BB30, but it looks like you're right, I have a square taper bottom bracket.

So, to get a power2max that would work with a square taper bottom bracket, and then later be able to use on a speed concept or p2/p3/p5 - I'd need a $200 adapter?
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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Hi all,
I know that battery life has been repeatedly quoted as being about 400 hours, but just wondering if anyone has actually measured how much life they got out of their battery?
The same sort of battery in a powertap hub doesn't seem to last anywhere near that long...

Thanks!
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Re: Official power2max support thread [power2max] [ In reply to ]
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I just wanted to mention that I got my P2M installed recently with the help of my local bike co-op, and I have been riding on the trainer with it a few times now. This is going to be an outstanding training tool, I have had a real issue with measuring indoor performance and have been relying on a poorly-fitting stationary bike at the gym. I have had zero issues so far with my classic model and Edge 500.

Also thanks to Nicolas for fielding all these questions! There are endless combinations of bottom bracket shells and bearing units. This was pretty straightforward for my model of bike, but this is a great resource for customers! Thank you!
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Re: Official power2max support thread [Tri-Mechanics] [ In reply to ]
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I have been having the same trouble with mine. Multiple dropouts both inside and out. Thought maybe the battery cover wasn't holding the battery down tight enough to keep constant contact so I ordered a new one from P2M. Installed that, still does the same thing Unless i fiddle with the cover a little with my foot and it will come back on my display (Garmin 910XT) Brand new Renata Battery also.
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Variance b/w P2M and Kickr [ In reply to ]
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Headed back indoors for training and during my recent workout noticed close to a 15% variance between the P2M and my Kickr, with the Kickr reading higher. I performed the spindown on the Kickr prior to the workout. I was using Trainerroad paired to the Kickr via ANT+ and the P2M paired to my Garmin 510. The Kickr was consistently reporting 25w higher than the P2M on my Garmin. Since I did my FTP testing on the Kickr, I guess that means my bike performances in races was actually better than originally thought :-)

Anyone else seeing this variance? Any ideas? Thanks.

--------------------------------------------------
Non-Swimming Duathlete
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