Compatability of Rotor XX Rings on SRM Hollogram SL Spyder?

Discuss light weight issues concerning mountain bikes & parts.

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Jens Westergren
Posts: 55
Joined: Sun Feb 03, 2008 2:40 pm
Location: Grycksbo Sweden
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by Jens Westergren

Hi,
Does anyone know if the Rotor rings for SRAM XX fits the SRM Holowgram SL 2*10 PM?
I looked on dr.cannondalestore.com and it seems like they had a lot of XX rings that would only fit a certain spyder (KP128 SS SI Spider 42z)?

My idea is to mount an SRM hollowgram SL MTB 2*10 on a Pressfit 91 frame, with the Rotor Rings made for the Specialized XX Spyder. The adapter for the frame I will get from Hellöre. Then I will get the KP0334 kit from drcannondale.com so that I also can use it on another frame with regular threaded 68mm. Has anyone here done this? What is the weight penalty for the adapters?

These rings: http://www.rotorbike.com/nueva/ingles/mtb_paraXX.ht
With this SRM Spyder: https://www.srm.de/store/product_info.p ... d09d23a69e
These cranks: http://www.cannondale-parts.de/epages/6 ... oductPrint


Thanks/Jens

boots2000
Posts: 1409
Joined: Mon Oct 15, 2007 9:28 pm

by boots2000

I currently have bikes with both Cannondale SISL cranks and Rotor 3D+ cranks.
I suggest you just run a Rotor 3D+ crank on that bike with Rotor rings.
You will love the cranks and you will not have the hassles associated with the Cannondale cranks.

by Weenie


thisisatest
Shop Owner
Posts: 1980
Joined: Sat Jun 13, 2009 4:02 am
Location: NoVA/DC

by thisisatest

i see no possible areas of interference between the crank arm, srm spider and rotor rings, so it should work. the bolt circles are, of course, the same, 120/80mm.

Jens Westergren
Posts: 55
Joined: Sun Feb 03, 2008 2:40 pm
Location: Grycksbo Sweden
Contact:

by Jens Westergren

What hassles are associated with the Cannondale cranks? Except the fact that I will have to use non standard adapters? I was under the impression that they were substantially lighter than the rotor 3D+

Also, delivery time on the SRM Rotor3D+ is 4 weeks, with the Cannondale I can get the cranks right away since they are not included with the SRM spider.

/Jens

boots2000
Posts: 1409
Joined: Mon Oct 15, 2007 9:28 pm

by boots2000

Cannondale cranks creak and their bob requires a lot of maintenance.
I have a set on my mtb now- I will never do that again.

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