Shimano R9100-P Powermeter

Discuss light weight issues concerning road bikes & parts.
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Dr.Dos
Posts: 905
Joined: Sat Mar 27, 2004 11:00 pm

by Dr.Dos

I do not like the piggy-pack solution to begin with. It is supposed to be integrated, they had enough time to work this out even with one-piece forged cranks.

Disappointing.

DJT21
Posts: 163
Joined: Sun Mar 27, 2011 7:35 pm

by DJT21

It looks ugly beyond belief.
Replacement chainrings cost a fortune.


Stueys
Posts: 130
Joined: Sat Nov 22, 2014 1:12 pm

by Stueys

70 grams for a crank based PM? Wireless battery charging as opposed to stripping things down. I'm happy...

albertop07
Posts: 58
Joined: Thu Jun 25, 2015 10:09 pm

by albertop07

News on availability?

roeman
Posts: 30
Joined: Wed Dec 02, 2009 8:34 pm

by roeman

albertop07 wrote:News on availability?


Showing as end of June for most sizes into the UK at the moment, wouldn't be surprised if that got pushed back though!
Giant XTC Team 2014
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Cervelo S5 Dura Ace - Enve 4.5's

Philbar72
Posts: 141
Joined: Tue Sep 17, 2013 9:47 am

by Philbar72

rasmusic wrote:Yeah, I bet the magnet is to measure cadence. I had the chance to inspect this power meter first hand on the bike of a Sunweb-rider last week, and he had the same magnet. But I can't see why a magnet is a downside.


its not.

goodboyr
Posts: 1388
Joined: Wed Jan 10, 2007 10:56 pm
Location: Canada

by goodboyr

Philbar72 wrote:
rasmusic wrote:Yeah, I bet the magnet is to measure cadence. I had the chance to inspect this power meter first hand on the bike of a Sunweb-rider last week, and he had the same magnet. But I can't see why a magnet is a downside.


its not.


Until it comes off, sticks to your chain then rips your Rd off the dropout into your rear wheel.............

petal666
Posts: 864
Joined: Fri Dec 12, 2008 5:19 am
Location: Brisbane, Oz
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by petal666

roeman wrote:Showing as end of June for most sizes into the UK at the moment, wouldn't be surprised if that got pushed back though!
At least you didn't get surprised. Now saying end of September.

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reknop
Posts: 273
Joined: Wed Feb 25, 2015 10:15 am

by reknop

petal666 wrote:
roeman wrote:Showing as end of June for most sizes into the UK at the moment, wouldn't be surprised if that got pushed back though!
At least you didn't get surprised. Now saying end of September.


When it is not available for the World Tour teams in the Tour de France, than it is not available to us as well. :)
I think the general availability of the Dura Ace 9100 group set is "fairly limited" to my feeling.
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moyboy
Posts: 148
Joined: Thu Aug 18, 2016 12:19 am

by moyboy

Wonder if it's because they are having QC issues?

petal666
Posts: 864
Joined: Fri Dec 12, 2008 5:19 am
Location: Brisbane, Oz
Contact:

by petal666

Supposedly it is the anodizing on the crank arms, same as was the delay of 9100 cranks, but internet rumors.....

hogehoge
Posts: 37
Joined: Mon Feb 25, 2013 11:59 pm

by hogehoge

Seems like a few Japanese shops just got these in stock and have actual weights in the photos(~693g)

http://ysroad.co.jp/nagoya/2017/09/01/34779
http://www.bps-nakayama.com/index.php?itemid=43789
http://trekmaru1.blog.fc2.com/blog-entry-991.html

TobinHatesYou
Posts: 962
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

Very light, lighter than a DZero spider + Red Prime crankset...gives the pedal based PMs a run for the money for full power measurment and weight.

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caballero
Posts: 537
Joined: Fri Jun 16, 2006 11:00 am
Location: Asstralia

by caballero

They are out and freely available here in Japan, if anyone needs assistance to track one don let me know.

ooo
Posts: 496
Joined: Sat May 21, 2016 12:59 pm

by ooo

cheapest I can find
€1000 with chainrings
$1000 without chainrings

di2 updates

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FC-R9100-P

Sep  6, 2017    4.0.6    Bug fixing
Jul 28, 2017    4.0.4    Firmware uploaded
'


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