Radio Race 2021 Helium Expert Frame
This Expert version of the new Radio Helium frame has a 19.5" toptube, comes in Black or Cyan or White and weighs in at just 1.455kg. Designed for use with 1 3/8" wheels.
Available in a huge variety of sizes and most vibrant and unique colours to date, there simply isn’t a better looking or feeling frame on the market.
The Radio Helium frames took the race world by storm when released almost two years ago. with multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. For this season the Helium has a full revamp. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount.
MATERIAL Hydroformed 6061 alloy
TOP TUBE LENGTH (effective) 19.5” (495mm)
CHAIN STAY LENGTH (min.) 13” (330mm)
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”
RIDER AREA 503mm
• forged and CNC machined dropout
with integrated chain tensioner
• disc brake compatible
with Helium Pro disc brake mount