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Praxis Works. I've had it for... hang on... *checks Strava... 9,876.3km, and nary a creak. Bearings still good too. Hmm, might double check those before the Alps appear though.
AFAIK, there's fuck all difference in stiffness between 30 and 24mm axles, especially when you're up at Ultegra/DA level. Though I'm sure Mr Tester is the better person to ask.
bashthebox-
AFAIK, there's fuck all difference in stiffness between 30 and 24mm axles
Stiffness isn't the point. You can make a 15mm axle stiffer than a 24mm DA axle if you make it out of enough material :)
The goal is good enough stiffness at minimum weight, and having 30mm to play with and only needing to fill a 68mm shell, Cannondale could make their axles out of hollow aluminum rather than steel, reducing the system weight but keeping the stiffness where it needs to be.
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there's fuck all difference in stiffness between 30 and 24mm axles,
Probably true if you're comparing 24mm steel with 30mm aluminium. Both are so much stiffer than 16-17mm hollow steel square taper axles that any difference is a #marginalgain
Howard
gbj_tester
Believe me I hate adaptors.
But that 24mm crank axle has an expensive powermeter wrapped around it. So its staying.
This doesnt feel like such of an adaptor to me. I have the KCNC Version i now. But I bought he wrong length and had to hacksaw out the centre. Plus every bearing on my bike has powderised tarmac cancer. I'm having to redo Wheels (knew this anyway) headset, and BB. On a 4 month old bike. Bloody country. Hopefully a degrease and repack will save some.
http://wheelsmfg.com/bottom-brackets/bb30-outboard/bb30-outboard-bottom-brackets/bb30-to-outboard-bottom-bracket-for-24mm-cranks-shimano-w-angular-contact-bearings-black.html