About

Mike Eykamp, The Diamond Cut Guy, has been hand cutting motorcycle cooling fins since 2003.

What started with a desire to to customize his own Yamaha Royal Star Venture quickly turned into a thriving business as riders from all over the USA and around the world admired his work and wanted to know how to get Mike's unique artistry added to their own bikes.

Diamond cut products now include Carb covers, Hinge insert covers, Fins and dog bones, Passenger floorboard backing plates, Motor mount bolt covers and Master cylinder covers In addition to the Yamaha Royal Star Venture and all the Royal Star models, Mike has also done Harley cylinders and heads. Work for other bikes is also available.

  • Mike Eykamp

    Founder/Owner

    The Diamond Cut Guy