New powermeter rumours

[havana]

Personally I don't really understand why so many WW's are so crazy about Speedplay. I tried them, but really think they don't offer any benefits over SPD-SL, Time or Look. I think they are highly overrated.

In fact, IMO there are mainly cons. Expensive, not very durable, hardly possible to walk on the cleats, adapters needed for most shoes.

[eaglejackson]

Personally I don't really understand why so many WW's are so crazy about Speedplay. I tried them, but really think there don't offer any benefits over SPD-SL, Time or Look. I think they are highly overrated.

In fact, IMO there are mainly cons. Expensive, not very durable, hardly possible to walk on the cleats, adapters needed for most shoes.

There are lots of threads on Speedplay pedals. Pedals are a highly personal choice. The two biggest distinguishing characteristics are the free float (15 degrees for the Zero and 28 degrees for the X series) and they are two sided. If neither of these matter to you, then other pedals may be more to your liking.

PS. I also meant to say (thanks for the mention, Bilwit) that Speedplay also has walkable cleats for the Zero and Light Action, which make them very easy to walk in. I ride with X-2 pedals, as I prefer the extra float, and for those, Kool Kovers makes cleat covers that stay attached to the cleats and make them easy to walk in.

PPS. Another advantage is that Speedplay makes cleat extenders, which allows you to position the cleats further rearward (and forward). I use them, as does Lennard Zinn.

[bilwit]

Personally I don't really understand why so many WW's are so crazy about Speedplay. I tried them, but really think there don't offer any benefits over SPD-SL, Time or Look. I think they are highly overrated.

In fact, IMO there are mainly cons. Expensive, not very durable, hardly possible to walk on the cleats, adapters needed for most shoes.

If they're good enough for the current Hour Record holder then they're good enough for me

(also, if you get the newer "walkable" zeros in cromoly and then change the spindles to Ti, that addresses all your problems except for the adapters which I never had to deal with on my Giro Empires or Bont Zeros)

[ms6073]

I tried them, but really think they don't offer any benefits over SPD-SL, Time or Look.

If it weren't for my wife's finicky knees, I would have no experience with Speedplay pedals, but she refuses to use anything else.

[pdlpsher1]

I switched from Speedplay to Shimano and I'm so happy that I did. I feel an increasing in power transfer and less wasted energy. All of my power are going to the pedals. Less maintenance and much cheaper cleats.


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[fogman]

Does anyone know the approximate weight increase of a Campagnolo Power2Max NG crank vs. a Campagnolo Super Record (non power meter) crank?


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[mpulsiv]

DCRainMaker's power meter pedal comparison is out

https://www.dcrainmaker.com/2017/09/power-meter-pedal-shootout-vector-3-vs-powertap-p1-vs-assioma.html

I'm glad that Ray confirmed "Note that Vector 3 does not support the Shimano swappage kit that Vector 1/2 did. Maybe down the road, but nothing in the cards today."
I sure hope that Garmin will release the Shimano swappage kit by mid-2018.

[Delorre]

Does anyone know the approximate weight increase of a Campagnolo Power2Max NG crank vs. a Campagnolo Super Record (non power meter) crank?


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Campa S-type is claimed to be 644 without rings. NG should be about the same

[TobinHatesYou]

My experience with various spider-based power meters has been that they add at least 140g over the equivalent bare crankset.

[jever98]

My experience with various spider-based power meters has been that they add at least 140g over the equivalent bare crankset.

That's a touch on the high side. P2m type s Rotor 3D added 126g in compact. P2m has or had listings.

[uraqt]

The V3 can't be put in Shimano the batteries go in the body side of the axle. That is not to say that Garmin might just build axle for companies. However since they just spent small fortune building a pedal factory I kinda doubt it.

[3Pio]

My experience with various spider-based power meters has been that they add at least 140g over the equivalent bare crankset.

That's a touch on the high side. P2m type s Rotor 3D added 126g in compact. P2m has or had listings.

Interesting question and listed weights. So seem that less weight difference will be added with Favero Assioma pedals (108 gm vs my Look Blade 2 Ti (Favero Assioma are 300 gm, Look Blade 2 Ti 192 gm).

If we consider that i can remove the garmin cadence sensor, even less (dont know what is actual weight of Garmin Cadence Sensor plus rubbers).

And how much weight add Stages left crank vs regular crank?

And another thing that im wondering about pedal PowerMeters... Do they have any compromises in their primary function over regular pedals? (let's compare them to Look Blade 2 Ti).

Why im asking this?

1. Surface Contact Area - Look Blade 2 Ti have 700mm (same Time Xpresso).

If u analyze pictures of Assioma Favero and Garmin Vector 3, is more then clear that they have much less surface area (i guess one of the ways how to save some weight).

As i understund less surface contact area, less stable pedaling platform.

So how this relate in real world? Specially climbing efforts, or long distance riding? How big compromise is this?

2. Stack height - Assioma Favero have the same stack as Look Blade 2 Ti (10.5), but Garmin Vector 3 have 12.5

What is benefit of low stack height? And what is compromised here with Garmin's and 12.5 mm stack?

3. Advanced Cycling dynamics of Garmins over Assioma.

Everywhere i can read that this data is not too much important. But to me look that this advanced cycling analysis can help in determining the best cleat position, and not just cleat position. That can help in bike fitting and final adjustmens.

[mag]

Does anyone know the approximate weight increase of a Campagnolo Power2Max NG crank vs. a Campagnolo Super Record (non power meter) crank?

Campa S-type is claimed to be 644 without rings. NG should be about the same

On page 206 c60rider weighted the whole set at 780g: viewtopic.php?f=3&t=54198&start=3075#p1296708
This is about 177g added to the SR crankset weight (based on the claimed SR crankset weight of 603g).

But the Campy P2M crank is technically somewhere between Record and SR (steel axle like Record, CULT ceramic bearings like SR) which have claimed weights about 651g and 603g, so if we want to narrow it down to the actual PM weight the difference will be less.

Type S has claimed sensor weight 188g: https://www.power2max.de/europe/en/Prod ... nolo-road/
The same information for the NG is missing, but as for example:
- Type S for Rotor 3D+ has claimed sensor weights 172/187g: https://www.power2max.de/europe/en/Prod ... rennrad-2/
- NG for Rotor 3D+ has claimed sensor weights 152/167g: https://www.power2max.de/europe/en/Prod ... wer-meter/
we can estimate the NG for Campagnolo could be similarly lighter (by 20g) which would get the sensor weight to about 168g.

By the way what would be the most WW PM solution giving total power data (not just doubled single-leg data)? My guess is THM Clavicula SE with Favero Assioma pedals...
And what would be a decent alternative for crank based PM (excluding the ridiculously expensive SRM+Clavicula M3 option)?

[AndreLM]

By the way what would be the most WW PM solution giving total power data (not just doubled single-leg data)? My guess is THM Clavicula SE with Favero Assioma pedals...
And what would be a decent alternative for crank based PM (excluding the ridiculously expensive SRM+Clavicula M3 option)?

Probably (the still not available) Specialized Power Cranks (AFAIK co-developed with 4iiii)
or
Cannondale SiSL2 with spiderings and Watteam Powerbeat sensors

and your choice of WW pedals

Both would only fit BB30/PF30/OSBB/T47 frames though

[AZR3]

I'm going to run the following setup on my Evo Hi MOD
SRAM Red BB30-total weight, with chainring bolts, 363.9g
Extralite 50/34-95g
Assioma Duo-300g
--------------
Total weight-758.9g

For comparison, my SiSL2 P2M Extralite setup with Xpedo Thrust Ti pedals weighs 761g, so basically identical but now I can sell my other power meters and just swap pedals