Cannondale SIS2 chainset

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lone wheeler
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by lone wheeler

Can anyone tell me if my SIS2 spidering chainset (currently fitted to my CAAD10) would fit on a Kinesis Aithein frame (BB86) and if so, what cups / adaptors would I need? Thanks.

by Weenie


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JAQ1
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by JAQ1

No, sorry t will not work. Unless you get a longer axle and screw your q-factor and chainline.

Cannondale cranks are true BB30 designed for 68-70mm BB widths.

lone wheeler
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by lone wheeler

:( that's a bummer :(

jlok
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by jlok

JAQ1 wrote:No, sorry t will not work. Unless you get a longer axle and screw your q-factor and chainline.

Cannondale cranks are true BB30 designed for 68-70mm BB widths.

with the correct spindle 73mm BB30a is supported.
Rikulau V9 DB Custom < BMC TM02 < Litespeed T1sl Disc < Giant Propel Advanced SL Disc 1 < Propel Adv < TCR Adv SL Disc < KTM Revelator Sky < CAAD 12 Disc < Domane S Disc < Alize < CAAD 10

lone wheeler
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by lone wheeler

So it's a possibility?...

Any links as to what I'd need to order to make it work?

MikeyBE
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by MikeyBE

Sounds like you need a new spindle... If you get this working, post pics. I own an Aithein and an Sisl2; would be cool to see the two come together!

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maquisard
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by maquisard

Can someone explain the difference between BB30A and BB30 cranks then. For the same crank arms, in BB30A, 73mm shell, if only the spindle is changed to 109mm then the Q-factor will be different compared to a 104mm spindle in a BB30, 68mm shell.

That means that for BB30A cranks to have the same Q-factor as BB30 cranks, the NDS crank arm must have a different bend/pitch compared to an original BB30 NDS crankarm. Then if you want to use a BB30A crank in a BB30 frame you add a 5mm NDS spacer.

Is that correct? In which case which Cannondale cranks have the BB30A NDS crank arm and which are conventional BB30? This information isn't listed anywhere on Cannondale's website.

Tenlegs
Posts: 289
Joined: Wed Jul 16, 2008 10:37 am

by Tenlegs

Current Cannondale cranks are BB30 & BB30a compatible, they come with spacers for both 68 & 73mm BBs

lone wheeler- you need another crank, it won't fit BB86.

lone wheeler
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by lone wheeler

Why oh why are things so complicated these days!!!! Bring back square taper and have done with it! Sealed FAG bottom bracket, job done :lol:

jlok
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by jlok

Rikulau V9 DB Custom < BMC TM02 < Litespeed T1sl Disc < Giant Propel Advanced SL Disc 1 < Propel Adv < TCR Adv SL Disc < KTM Revelator Sky < CAAD 12 Disc < Domane S Disc < Alize < CAAD 10

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mythical
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by mythical

The image on page 3 of that file looks remarkably like the one of QRC 2 cranks from the Extralite website.
Image
“I always find it amazing that a material can actually sell a product when it’s really the engineering that creates and dictates how well that material will behave or perform.” — Chuck Teixeira

dudemanppl
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Joined: Fri Feb 22, 2013 5:09 am

by dudemanppl

Haha! Good catch. Funny how such a big company as Cannondale would take graphics from a boutique manufacturer like Extralite.

FreaK
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by FreaK

Fascinating! Seems they're more than aware of some of the esoteric competition. Interestingly that crank uses a 27mm spindle in the 30mm bore bearings.
it's actually possible to come to the conclusion even before realising it makes no sense at all
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tymon_tm

by Weenie


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KimJaeCheon
Posts: 12
Joined: Wed May 04, 2016 3:46 pm

by KimJaeCheon

I'm using this crank with 128mm spindle and rotor bsa30bb.
But duraace fd9000 length is not enogh, so i use fd 6703 tripple fd.

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