That's cuz training is one of the least demanding uses of a power meter, especially when you first start off with structured training. However, after a while you've picked all the low-hanging training fruit and you're going to want to know if a small improvement in power is real or illusory. That's when you'll need to rely on the quality of your data. The more demanding the application, the sooner that day will come.

I'd assume that people are more worried about the weight of a race wheel vs training wheel with disc cover. Aren't the covers at least 400g? I can ride a 650g disk wheel vs a 1500g training wheel w/cover.

But, with prices of PT race wheels coming down, that isn't as much of an issue anymore. And if you don't care about wheel weight, it isn't an issue at all.

650g disk wheel?
Lightest I have heard of is 780!

But yeah, if you do the disc cover thang, you add some weight.

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Gotta try a prototype once in awhile ;)

Ultralight 28mm rim, light spokes, hub and ceramic bearings with an ultralight cover. Sub 700g :)

Did you find the video of me swapping a Quarq in just over 1 minute (unpracticed) ;-)

Edit: Doh! I replied before I'd gotten down to Jack's post...

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http://bikeblather.blogspot.com/

I am planning on testing this discrepancy in the near future, running both my quarq and stages as the same time. They seem to be right on top of each other for V02 and aerobic intervals, but the Stages looks to read lower in short sprints (about 150-200w lower for max power around 1200-1400w). Hoping to quantify it soon. I have an S975 on my TT bike and the Stages on my road. If they diverge in a sprint I will have to decide between having the active temp compensation on the road bike (I do long climbs at altitude with big temp deltas) and having accurate sprint power.

Hi Jack is this something Flo are now offering or a do it yourself task ?

I just brought a Stages power meter and love it

It pairs easily, was simply to install and now I can use what ever wheels I want (which is why I bought it)

I do all my indoor rides (Wisconsin winter is here) with both my old power tap and stages running at the same time and they run almost in tune with each other. The stages is 5-7 watts higher over the hour and only 3-4 watts higher on 20 minutes intervals. And better yet they have both tracked exactly the same on all 10 rides.

Outside I only have one ride to compare and again the numbers were close at all ranges down to about 10 seconds. At less then 10 seconds the powertap is over 100 watts higher than the stages.

I will be running the two side by side all winter, so we will see.

Here is last nights intervals:


Peak 20min (220 watts): This is for Powertap reading on the little yellow head unit.

Duration: 20:01
Work: 264 kJ
TSS: 25.5 (intensity factor 0.874)
Norm Power: 220
VI: 1
Distance: 6.645 mi
Min Max Avg
Power: 140 288 220 watts
Heart Rate: n/a n/a n/a bpm
Cadence: 57 106 81 rpm
Speed: 15.2 25.2 19.9 mph
Pace 2:23 3:56 3:01 min/mi
Hub Torque: 4 12 7 lb-in
Crank Torque: 142 392 231 lb-in


Peak 20min (224 watts): THIS is the STAGES READING ON A GARMIN 500

Duration: 20:00
Work: 268 kJ
TSS: 26.4 (intensity factor 0.889)
Norm Power: 224
VI: 1
Distance: 6.636 mi
Min Max Avg
Power: 97 291 224 watts
Heart Rate: 142 158 152 bpm
Cadence: 62 107 81 rpm
Speed: 15 25.2 19.9 mph
Crank Torque: 100 384 235 lb-in

I went with Powertap, no Stages for my 160 Rotors.

I recently bought a Stages and I have compared it with a Quarq and the Wahoo Kickr. The numbers between the Kickr and Stages are virtually identical and within 1-2% of the Quarq.

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Favorite Gear: Dimond | Cadex | Desoto Sport | Hoka One One

DIY I believe, wouldn't hurt to ask them though.

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

I put a G3 in my Flo 60. Works great. I posted the new spoke lengths on a different thread, so search for Powertap and Flo for the details. The cool thing is that you can re-use the spokes if you can find someone with a spoke cutter.

As rruff sez, 200g for a rear hub is pretty light. In addition, a LYC weighs about 40 g. A Garmin 810 weighs about 100g; the 510 is around 80g.

Can't use the LYC with the Gen3 hubs though :(


speaking of 'as long as it is consistent'
http://www.bikeradar.com/...elset-just-in-39006/

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Yeah, that's a pain. I like the LYC.

One of these things is not like the others.

Also, you can see that if 1 second peak power is important to you, 1 or fewer of these power meters is a sufficient tool.

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Someone needs to put together a minimalist TT aeroweenie ANT+ head unit.

The Joule (non gps version) is close to the LYC in terms of features but a huge improvement in UI. It weighs 50g

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Jesse Bartholomew