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PostPosted: Sat Aug 11, 2012 9:29 am 

Joined: Thu Jul 02, 2009 11:27 am
Posts: 268
Location: Nu Zild
Wanting suggestions about crank choice for Power2Max unit to go on the racing bike (Look 586) - currently has a 53/39 SRAM S900 P2Max on it but looking to put this on the training bike. The race rig as set up at the moment is more of a climbing/special occasion bike, and am looking for a nice crank to match.
The complicating factor is I already have another SRAM s900 crank so would be very easy (and ~$600NZD cheaper) to buy a 110mm spider for it and run 52/36 stronglight rings. Been wondering about the merits of Rotor 3d (not the + model, frame suits a standard 24mm BB) or lightning, but unless the weight savings are likely to be substantial (>150g) I'm not sure it's worthwhile...

PostPosted: Sat Aug 11, 2012 9:41 am 

Joined: Sun Mar 27, 2011 8:16 pm
Posts: 437
Hi, not going to be much help on the crank choice dilemma- all I can say is that a friend of mine has the Rotors and is very happy with them.

I'd be interested to get your feedback on the P2M though- you must be happy with it if you are getting a second one?

I was considering it, but have to admit by being a bit put off my the temperature linked zero offset drift, which cannot correct unless you freewheel.

What has been your experience of this?

PostPosted: Sat Aug 11, 2012 10:09 am 

Joined: Sat Oct 23, 2010 9:36 am
Posts: 320
Location: Eastern Coast of the Baltic Sea
Using Rotors own BSA30 cups, you can run Rotor 3D+ on a BSA frame as well (just put such a Power2max on my Look 596 machine).
On their website, P2Max say this is the lightest crank of all their powermeters, didn't weigh mine, though :oops:
At the moment, I don't have any personal long term feedback on such a solution, either.

PostPosted: Sat Aug 11, 2012 10:55 pm 

Joined: Tue Feb 21, 2012 1:18 pm
Posts: 4
I own a rotor 3d+ power2max crankset and it's really nice. I would recommend you rotor cranks and you might want to reconsider the 3D+ version as it's lighter and theoretically stiffer than standard 3D one. It also fits bb386 standard and many others, so it might be a wise choice. BSA30 bearings by rotor are very good quality imho.

PostPosted: Sun Aug 12, 2012 12:14 am 

Joined: Sun Sep 28, 2008 2:23 am
Posts: 655
Location: so. cal.
Why not go for the lightning crank it is about 200$ more than the rotor and will save you over half a pound compared with the s900.

Sent from my PG86100 using Tapatalk 2

PostPosted: Sun Aug 12, 2012 12:54 am 

Joined: Wed Aug 20, 2008 2:12 pm
Posts: 190
I have 2 P2M on 2 Rotor 3D and I am very very happy with both set-up. One is standard 130 and the other one compact, both with Q Rings. Not the lightest out there but stiff, solid and easy to work with. Yes, you could save some weight going with the + version but for me, I was looking to put the money saved on both crank elsewhere. The P2M themselves are great and both have worked flawlessly. I could not recommend enough. Customer service is also outstanding.



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