Editor’s note: Dan Empfield founded and formerly owned Quintana Roo, and founded and still owns and publishes Slowtwitch.com. He identified and coined the bike geometrics stack and reach in 2003, which form the basis for software solutions that prescribe bikes in many of today’s bike fit systems. F.I.S.T. is his bike fit school and system. The GURU fit …read more
Dan Empfield responds to our article about Sean Madsen’s new school for bike fitters.