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Description
Refined on the racecourse
The Helium 20" stands as the premier aftermarket race frame in Radio's competitive line-up. After extensive track testing and numerous optimizations by skilled racers, it has been perfected to a precise standard.
Extremely lightweight and exceptionally robust race frame
- Exceptionally light and hydroformed structure crafted from 6061-T6 aluminium
- A uniquely rigid rear section due to its innovative tubing
- Durable 20mm dropouts featuring included chain tensioners for 10mm, 15mm, and 20mm
- Easily warm up and cool down with the Promax quick release seat clamp
Notice: Offered in various sizes to accommodate every rider.
Model specifications
| Model | Frame Top Tube | Weight |
| Expert - Black/Neon Yellow | 21" (53.3cm) | - |
| Expert XL - Neon Yellow | 20.5" (52.1 cm) | - |
| Pro - Black | 20.9" (53.1cm) | 1.815kg |
| Pro - Neon Yellow | 20.9" (53.1cm) | 1.815kg |
| Pro XL - Black | 21.25" (54cm) | 1.840kg |
| Pro XL - Neon Yellow | 21.25" (54cm) | 1.840kg |
| Pro XXL - Black | 21.75" (55.2cm) | 1.870kg |
| Pro XXL - Neon Yellow | 21.75" (55.2cm) | 1.870kg |
| Pro XXXL - Black | 22.25" (56.5cm) | 1.905kg |
| Pro XXXL - Neon Yellow | 22.25" (56.5cm) | 1.905kg |
| Pro XXXXL - Black | 22.5" (57.2cm) | 1.905kg |
| Pro XXXXL - Neon Yellow | 22.5" (57.2cm) | - |
| Pro XXXXL - Black/Red | 22.5" (57.2cm) | - |
Specifications
BMX Discipline:
Race BMX
Frame material:
Aluminum, 6061, T6
BMX Brake Included:
V-brake not included
Dropout size:
10mm, 15mm, 20mm
Bottom Bracket:
European (EURO)
Gyro compatible:
No
Seat clamp:
Non-integrated, Quick release, 27.2mm
Headset type:
Integrated 1 1/8"–1.5"
Headtube angle:
74°
