cranks

ROTOR 3D Crank

Posted by on Apr 2, 2011 in Gear | 0 comments

Many may be unaware of RotorBike and their line of cranks and crank rings, but you should!  Rotorbike’s Rotor3D cranks are amazingly stiff and light due to their special manufacturing process, named the “Trinity Drilling System,”  where an extruded aluminum bar is intricately CNC machined with three drilled holes through the length of the crank.  The result is a unique triple hollow...

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