The Radio Quartz Alloy BMX Race Frame-Copper is the culmination of many years of BMX race expertise, resulting in purposeful design and efficient power. With race-proven geometry and technology, these frames prioritize super lightweight performance by offering a seamless blend of comfort, stiffness, and velocity. The Hydroformed 6061 alloy Paradigm tubing construction forms the foundation of this frame and is paired with forged and CNC machined dropout with integrated chain tensioner for lightweight durability. Experience the thrill of this World Championship-winning frame.

SPECIFICATIONS

• Material: Hydroformed 6061 alloy, Paradigm tubing
• Top Tube Length
• Pro 20.5, Pro L 20.9, Pro XL 21.25, Pro XXL 21.75, Pro XXXL 22.25
• Chainstay Length: 14.5
• Dropout Size: 74 20mm (incl. chain tensioner for 10, 15 & 20mm hub axle)
• Head Tube Angle: 74
• Seat Tube Angle: 71
• Head Tube Size: (full int.) tapered 1-1/8 1.5 (125mm)
• Seat Post Size: 27.2mm
• Seat Tube Length: 231mm
• Bottom Bracket Type: Euro, threaded, BSA 68mm
• Bottom Bracket Height: 11.6 (EU)
• Wheel Size: 20 x 1.75
• Extras Inc.: super lightweight alloy frame, x6 world championship wins, Paradigm superior tubing, forged and CNC machined dropout with integrated chain tensioner, disc brake compatible with Helium Pro disc brake mount.