Radio Race 2021 Helium Pro Race Frame Silver
The new Radio Pro Helium frame in Silver is available in L, XL, XXL, XXXL, XXXXL sizes, see below for lengths.
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.
TOP TUBE LENGTH (effective) L = 20.9” (531mm) XL = 21.25” (540mm) XXL = 21.75” (552mm) XXXL = 22.25” (565mm) XXXXL = 22.5” (572mm)
CHAIN STAY LENGTH (min.) L = 13.9” (353mm) XL = 14.5” (368mm) XXL = 14.8” (376mm) XXXL = 14.8” (376mm) XXXXL = 15.2” (386mm)
DROPOUT SIZE 20mm (incl. chain tensioner for 10, 15 & 20mm hub axle)
HEAD TUBE ANGLE 74°
SEAT TUBE ANGLE 71°
HEAD TUBE SIZE (full int.) tapered 1-1/8” – 1.5” (125mm)
SEAT POST SIZE 27.2mm
SEAT TUBE LENGTH 231mm
BOTTOM BRACKET HEIGHT EU, 11.6”
WHEEL SIZE 20 x 1.75”
RIDER AREA 570.9mm
EXTRA • forged and CNC machined dropout
with integrated chain tensioner
• disc brake compatible
with Helium Pro disc brake mount
WEIGHT 1.770kg/3.90lbs
