The Helium Pro XXXXL Frame is a high-performance BMX race frame designed for riders who demand maximum speed, stiffness, and lightweight performance. Built from hydroformed 6061 alloy tubing and trusted by world-class racers, this premium frame combines modern geometry with disc brake compatibility and precision-engineered forged dropouts for elite-level riding.

Features

• Super lightweight alloy race frame design
• Hydroformed 6061 alloy tubing for optimal stiffness and strength
• Forged & CNC-machined dropouts for enhanced durability
• 20mm thru-axle dropouts with adaptors for 15mm and 10mm (3/8") axles
• Integrated chain tensioner bolts
• Compatible with 20” x 1.75” tires
• Disc brake compatible with optional Radio Helium PRO Disc Brake Mount
• Removable v-brake mounts

Frame Specifications

• Color: Black / Galactic Ice Purple / Metallic Caribic Teal
• Toptube Length: 22.5” (572mm)
• Chain Stay Length: 15.2” (386mm)
• Rider Area: 22.47” (570.9mm)
• Head Tube Angle: 74°
• Seat Tube Angle: 71°
• BB Height: 11.6” (294.64mm)
• Seat Tube Height: 9.1” (231mm)
• Wheel Size: 20” (406mm) x 1.75”
• Head Tube Size: Tapered 1-1/8” - 1.5” integrated headset
• Seat Post Size: 27.2mm
• Seat Clamp Size: 31.8mm ID
• Tubing Material: Hydroformed 6061 Alloy
• Bottom Bracket: BSA, 68mm wide
• Head Tube Length: 4.9” (125mm)
• Dropouts: 20mm slots with 15mm & 10mm adaptors included
• Brake Compatibility: Removable v-brake mounts, disc brake compatible
• Weight: 1.86kg (4.10lbs)