RADIO RACELINE Quartz Pro Size (Disc) 2025 Frame

Radio's world championship-winning Quartz Frame is now available in a brand-new disc version, premiering the Sliding Dropout Disc System (SDDS). Utilizing a flat mount style calliper 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!

Features:
- NEW disc-brake-specific model with internal cable routing
- Forged and CNC machined Sliding Dropout Disc System (SDDS) with integrated chain tensioner
- Super lightweight alloy 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 calliper dimensions)

Specifications
Toptube Lengths:
Pro 20.5" (520mm)
L 20.9" (530mm)
XL 21.25" (540mm)
XXL 21.75" (552mm)
XXXL 22.25" (565mm)
XXXXL 22.5” (572mm)
Chain Stay Lengths:
Pro/Pro L 13.9" (353mm)
XL 14.5" (368mm)
XXL 14.8" (376mm)
XXXL 14.8" (376mm)
XXXXL 15.2” (386mm)
Rider Areas:
L 532.6mm
XL 540.7mm
XXL 551.9mm
XXXL 564.2mm
XXXXL 570.9mm
Head Tube Angle: 74°
Seat Tube Angle: 71°
BB Height: 11.6" (294.64mm)
Seat Tube Height: 9.1" (231mm)
Wheel Size: 20" (406mm) x 1.75”
Head Tube Size: Tapered 1-1/8” - 1.5” for integrated headset (125mm)
Seat Post Size: 27.2mm
Seat Clamp Size: For 31.8mm ID seat clamp
Tubing: Hydroformed 6061 alloy, Paradigm tubing
Bottom Bracket: BSA, 68mm wide
Dropouts: Sliding dropout disc system (SDDS) for 10 & 15mm axles (includes all hardware)
Brakes: Flat mount disc brake only (not compatible with v-brakes)
Weights:
Pro/Pro L 1.73kg (3.81lbs)
XL 1.74kg (3.83lbs)
XXL 1.76kg (3.88lbs)
XXXL 1.77kg (3.90lb)
XXXXL 1.78kg (3.92lbs)