Radio Raceline Quartz Race Frame Spectral Silver

Radio’s world championship-winning Quartz Frame is now available in a brand-new disc version, premiering our Sliding Dropout Disc System. Utilising a flat mount style caliper and internal cable routing for the best possible braking system; with this huge upgrade, the Quartz is now one of the lightest and most progressive alloy frames on the market!

Material Hydroformed 6061 alloy, Paradigm tubing

Top Tube Length (actual)
PRO = 20.5” (520.7mm)
L = 20.9” (530mm)
XL = 21.25” (540mm)
XXL = 21.75” (552mm)
XXXL = 22.25” (565mm)
XXXXL = 22.5” (572mm)

SPECS

Material Hydroformed 6061 alloy, Paradigm tubing

Top Tube Length (actual) 20.9” (530mm)

Chainstay Length (min.) 13.9” (353mm)

Dropout Size – New sliding dropout disc system for 10 & 15mm axles

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 Type Euro, threaded, BSA 68mm

Bottom Bracket Height 11.6″ (EU)

Wheel Size 20″ x 1.75″

Rider Area 532.6mm

• NEW disc-brake-specific model with internal cable routing

• forged and CNC machined Sliding Dropout Disc System with integrated chain tensioner

• super lightweight alloy frame (200g less than the Helium frame)

• x10 world championship wins

• Paradigm superior tubing

• flat mount disc brake only (not compatible with v-brakes)

• Designed for 140mm and 120mm rotors (please check 120mm rotor fitment with an authorised Radio Bikes dealer based on your hub and brake caliper dimensions)

Weight 1.655g / 3.64lbs