The BOH RD is a Classic Combination of Trademark Mrazek Aesthetics & Uncompromising Performance Including the Now Legendary Mrazek Pivotless Compliance. The 3.9 lb. Frame is Built with 7020 FORMAX Series Aircraft Grade Tubing and is True to the Mrazek Mold in Utilizing Custom Shaping to Maximize Performance in Every Element.The Arced Tubes, Seat Tubeless Design, and INVERSE Seat Stays, Combine with Ovalized Tube Ends to Result in a Laterally Stiff and Vertically Compliant Ride Ideal for Both Long Road Cruises and Short Power Sessions Alike.