The Columbus XCR Tube Set is a premium stainless steel tubeset crafted using a unique process that starts from a solid billet, cold drawn to achieve exceptional strength and precision. This seamless construction provides uniform wall thickness and mechanical integrity throughout each tube, including joint areas—making it one of the most advanced materials for high-performance steel framebuilding. Designed for professional framebuilders who demand the highest quality, XCR offers unmatched durability, corrosion resistance, and ride quality. Custom tube combinations and individual tubes available upon request.