Radio Raceline Helium Expert XL Frame (2020) / Lime Green / 20.5TT

After over 3 years of extensive research and development, radio raceline is beyond excited to bring you their first aftermarket race frame. The helium frame is constructed of hydroformed 6061-t6 alloy and has been tested on the track and designed in conjunction with a team with bmx race knowledge spanning 3 decades. The tubing has been specifically chosen to ensure a lightweight and responsive frame with an incredibly stiff backend.
With proven hand selected geometry, available in a choice of sizes to fit every rider. Every frame includes a promax quick release seat clamp so you can warm up and cool down right when you need to. You can expect to see radio’s debut frame on podiums across the globe during the upcoming season.

Features
- Forged and CNC machined dropout with integrated chain tensioner
- Disc brake compatible with Helium Pro disc brake mount

Specifications
Material - Hydroformed 6061 alloy
Top Tube Length (effective) - 19.5” (495mm) & XL – 20.5” (521mm)
Chain Stay Length (min.) - 13” (330mm) & XL – 13.2” (335mm)
Dropout Size - 10mm
Head Tube Angle - 73.5°
Seat Tube Angle - 71°
Head Tube Size (full int.) - 1-1/8” (120mm)
Seat Post Size - 22.2mm
Seat Tube Length - 215mm
Bottom Bracket Height - EU, 10.8”
Wheel Size - 20 x 1-3/8” & XL – 20 x 1.4”
Rider Area - 503mm & XL – 526.6mm
Weight – 1.455kg & XL – 1.510kg