Cyclocross Bicycle Frames

Cyclocross Bicycle Frame Messenger Bicycle Frame Road Bike Frame Time Trial Bike Frame Track Bicycle Frame


Yamaguchi Cyclocross frameset is built with Yamaguchi designed True Temper "Biconical RCX" tubing with a seamless, lugless fillet-brazed finish.

Ordering Information


  • 1-1/4" head tube with 1" steer tube (or you can select Ahead system and 1-1/8 steers)
  • CX crown fork
  • Top tube is 1-1/8" MAX shaped tubing
  • Down tube and seat tube are 1-1/8" to 1-3/8 round tubing
  • Cantilever brake bosses
  • Geometry is all custom CX design

Custom Cyclocross Bicycle Frame

Design Notes

"I have worked with the U.S. Cycling Federation CX clinic/camp National CX coach to fit riders with good balanced CX geometries."

- Koichi Yamaguchi

Yamaguchi Bicycles, Inc.

  • P.O. Box 25 Rifle, CO 81650.