Paragon Machine Works - Mark and Calvin

What started out as a one-person operation in Marin County, California, has grown into a dynamic machine shop occupying an 8,000 square foot building in Richmond, California over the last 40 years. Paragon Machine Works manufactures and stocks a wide variety of bicycle frame building components. They are a leader in bicycle frame building technology, constantly innovating and providing new products to meet the demands of the industry and the needs of the frame builders.