Radio Race HELIUM PRO XL Frame

The Helium Pro XL Frame is a high-performance BMX race frame designed for riders who demand maximum speed, stiffness, and lightweight control on the track. Built from hydroformed 6061 alloy tubing with forged CNC-machined dropouts, this premium race frame delivers exceptional handling, modern disc-brake compatibility, and a clean race-ready design.

Features

• Super lightweight alloy BMX race frame
• Hydroformed 6061 alloy tubing construction
• Forged & CNC-machined dropouts
• 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 Helium PRO Disc Brake Mount
• Removable V-brake mounts

Frame Specifications

• Color: Black / Metallic Caribic Blue / Galactic Ice Purple
• Toptube Length: 21.25” (540mm)
• Chain Stay Length: 14.5” (368mm)
• Rider Area: 21.3” (540.7mm)
• Head Tube Angle: 74°
• Seat Tube Angle: 71°
• BB Height: 11.6” (294.64mm)
• Seat Tube Height: 9.1” (231mm)
• Head Tube Length: 4.9” (125mm)
• Weight: 1.82kg (4.01lbs)

Technical Details

• 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
• Bottom Bracket: BSA, 68mm wide
• Dropouts: 20mm slots with included 15mm & 10mm adaptors
• Brake System: Removable V-brake mounts, disc brake compatible with additional mount

Material & Construction

• Material: Hydroformed 6061 Alloy
• Tubing Design: Lightweight race-optimized hydroforming
• Dropout Design: Forged and CNC-machined for maximum durability and precision