A bicycle crank set comprising: a. a right crank arm assembly comprising a crank spindle , a right crank arm , and a right crank arm attachment screw , the crank spindle comprising a left spindle end , a right spindle end , a left bearing race surface , a right bearing race surface , a left crank arm spindle torque coupling feature , a right crank arm spindle torque coupling feature , a torque coupling feature stop face , a chainring attachment spline , a lockring attachment thread , and a right arm bolt threaded hole , wherein the right crank arm spindle torque coupling feature being integrally formed on the right spindle end of the crank spindle , wherein the right crank arm spindle torque coupling feature comprises a splined interface as an interface between the crank spindle and a right crank arm ; b. a left crank arm assembly comprising a left crank arm , a left crank arm attachment screw , a left crank arm insert attachment screw and a left crank arm spindle attachment insert , wherein the left crank arm comprises a left crank arm torque coupling feature and wherein the left crank arm spindle attachment insert is comprised of a left arm insert torque coupling feature , a left arm spindle attachment insert stop face , a left arm spindle attachment insert end face , a left arm spindle attachment insert internal thread , a left arm spindle attachment insert through hole , and a left arm spindle attachment insert screw press face , wherein the left arm torque coupling feature has the splined interface as an interface between the left crank arm spindle attachment insert and the left crank arm ; c. the right crank arm coupled to the right spindle end of the crank spindle through the right crank arm spindle torque coupling feature and d. the left crank arm coupled to the left spindle end of the crank spindle through the left crank arm spindle attachment insert . a. a right crank arm assembly comprising a crank spindle , a right crank arm , and a right crank arm attachment screw , the crank spindle comprising a left spindle end , a right spindle end , a left bearing race surface , a right bearing race surface , a left crank arm spindle torque coupling feature , a right crank arm spindle torque coupling feature , a torque coupling feature stop face , a chainring attachment spline , a lockring attachment thread , and a right arm bolt threaded hole , wherein the right crank arm spindle torque coupling feature being integrally formed on the right spindle end of the crank spindle , wherein the right crank arm spindle torque coupling feature comprises a splined interface as an interface between the crank spindle and a right crank arm ; b. a left crank arm assembly comprising a left crank arm , a left crank arm attachment screw , a left crank arm insert attachment screw and a left crank arm spindle attachment insert , wherein the left crank arm comprises a left crank arm torque coupling feature and wherein the left crank arm spindle attachment insert is comprised of a left arm insert torque coupling feature , a left arm spindle attachment insert stop face , a left arm spindle attachment insert end face , a left arm spindle attachment insert internal thread , a left arm spindle attachment insert through hole , and a left arm spindle attachment insert screw press face , wherein the left arm torque coupling feature has the splined interface as an interface between the left crank arm spindle attachment insert and the left crank arm ; c. the right crank arm coupled to the right spindle end of the crank spindle through the right crank arm spindle torque coupling feature and d. the left crank arm coupled to the left spindle end of the crank spindle through the left crank arm spindle attachment insert . <EOS>