Originally Posted by khuon
The crank design is trickle-sideways from the 2003 XTR crank which itself is a borrowed idea from the old Bullseye cranks. A long time ago, Cannondale/CODA also borrowed the same concept I believe. I've heard some criticism that the interfaces (on the Bullseyes) were very unforgiving of loose tolerances as the splines wear.
The only way the splines wear is if you mess up while fiting the cranks arms. This is the same system used to fit your car axels onto your transmission. So unless you think you can generate more torque than a V8, this will last you a lifetime.
