How do I remove self extracting crank?
How do I remove self extracting crank? Crank RemovalLeave the retaining ring of the self-extracting systems in place in the arm. Do not remove the retaining ring. Begin unthreading crank bolt using hex wrench. Continue loosening until crank arm slides off spindle.Remove remaining crank arm. What is hollowtech crank? The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider's power transfer. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company's own proprietary forging technology that also maintains rigidity. Are Ixf cranks any good? 4.0 out of 5 stars...