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PostPosted: Mon May 05, 2014 7:54 am 
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Hallo together,

I have read a lot regarding this topic.

Yesterday i installed my new (above mentioned) crank to my evo. For this I purchase the kp197/srm bearings and Cups and Used the instruction of the crank

But on drive side there is Not very much space between the bottom bracket Cup and the srm - nearly 1mm.

If i have a little - little gear there is some rubbing in the Big chain ring.

What can i do? Is there a bigger drive side spacer? On the non drive side i have installed two spacer. I own the 109mm axis.

Thank you very much and sorry for my Bad english

edit: I am a bit afraid of just putting another spacer on the drive side because I dont want the wavy washer to be flat


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PostPosted: Mon May 05, 2014 1:47 pm 
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Location: Canada
That is the correct bearing/spacer set-up for the SRM on the Cannondale. What SRM are you running? Which bottom bracket axel? Which frameset?

On other Cannondale bikes, I have seen chain-rub on the big ring where the bike is run with a 50/34 crank. I would argue that this rubbing has nothing to do with the spacers in the bottom bracket.


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Posted: Mon May 05, 2014 1:47 pm 


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PostPosted: Mon May 05, 2014 1:52 pm 
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A few of us have had SRM's on Evo's and assuming you have the proper bearing shield and number of spacers there shouldn't be too much issue. Here was one of the previous threads we had a couple years ago,

viewtopic.php?f=3&t=95019

Pictures always help as well if you continue to have issues.

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PostPosted: Mon May 05, 2014 2:07 pm 
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I own a Cannondale supersix evo team (manufactoring date dec 2013) with an PF30 bottom bracket type cannondale KP197/SRM with the special alu cups. SISL2 crank arms and 109mm axis (nondrive side: non drive side spacer, 2 shims, wavy washer, cannondale dust shield; drive side: drive side spaver, cannondale dust shield)
It is the latest SRM (PC7) spider (standard) with praxis works (Clover) 130mm 53/39 chain rings.

The 1mm clearance between bottom bracket and spider is normal? Previously I used the cannondale spidering and there was more space. Adding another spacer is no option I guess

I will do some pictures as quick as possible

thanks for your help so far


Last edited by Paoloest on Mon May 05, 2014 3:06 pm, edited 1 time in total.

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PostPosted: Mon May 05, 2014 2:16 pm 
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I no longer have mine but I recall tolerance and clearance was extremely tight. I had no rubbing but it was definitely a very tight fit. Doubt the photos will help but here's the old bike ..

viewtopic.php?f=10&t=96627

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PostPosted: Mon May 05, 2014 2:20 pm 
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and you had no rubbing on big chainring?

Could the chaiin rings be incompatible?


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PostPosted: Mon May 05, 2014 2:30 pm 
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Like I said it was a tight fit but certainly no rubbing like that. Assuming you have the right SRM Spindle and spacers on the right sides.

The only thing I could imagine.

You could always try the new 109mm sisl2 spindle which supposedly requires no specific bearing shields etc... but there are others more qualified for that response here!

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PostPosted: Mon May 05, 2014 2:34 pm 
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I already have installed the new 109mm sisl2 spindle. :-/


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PostPosted: Mon May 05, 2014 2:58 pm 
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Joined: Mon May 25, 2009 9:34 am
Posts: 405
Location: Melb, Australia
I'm running SiSL2, SRM and Praxis 'Clover' rings on a BB30 frame (CAAD10) - from memory 2 shim washers + the standard DS and Non-DS spacers in place. I've always had slight chain rub on the 53 when cross chaining 39-11. It's never been a problem because I don't cross chain 39-11...

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Last edited by tcurtbike on Tue May 06, 2014 1:45 am, edited 1 time in total.

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PostPosted: Mon May 05, 2014 3:05 pm 
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I won't and did not use it - but I wondered if this is normal (I own the clover as well - changed it above)

How much space is between the bottom bracket/frame and the srm at your bike? only 1 mm as well?


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PostPosted: Mon May 05, 2014 7:21 pm 
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Enclosed some picturesImageImageImageImageImage


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PostPosted: Tue May 06, 2014 3:21 am 
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Joined: Mon May 25, 2009 9:34 am
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Location: Melb, Australia
Cross chaining 39-11:
Image
Clearance:
Image
Image
Photos aren't taken exactly perpendicular, so the gap appears a bit wider than it actually is. I would say it's around 2.5mm as the DS spacer is 2.5mm.
As long as you're following the Cannondale SiSL2 guide and using the correct parts for SiSL2 cranks (KP248 is the BB kit for press fit) you shouldn't have any issues. Unlike Si and SiSL cranks, there are no SRM specific parts for SiSL2, it's compatible out of the box - just replace the Spidering with the SRM and follow the guide below:
Image

EDIT: BTW, you have a nice looking bike, you should post some pics in the Introduce Yourself/Gallery!

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PostPosted: Tue May 06, 2014 7:38 am 
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Joined: Mon May 05, 2014 7:41 am
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Hey.
Thanks for the pictures of your bike. Looks like lot More Space.

The Problem regarding the srm specific bottom bracket is that the bearings are not ending in line with the bearing Cups - they are a but Deeper in the Frame so I am loosing a Bit of space to compensate this.
Question is if I should install One spacer in drive side to get more clearance.

Thanks again
Paul

Ps: i will introduce myself asap. Thanks for the nice words regarding the bike ;-)


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PostPosted: Tue May 06, 2014 8:27 pm 
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No one of the susi owners the same problem?


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Posted: Tue May 06, 2014 8:27 pm 


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