Quartz Pro XXL 20" BMX bike

The best of the best! The Quartz is our x 2 world championship winning super-lightweight alloy frame with no details spared. Radio took this frame and draped it in only the very best components creating a full pro build that anyone would be jealous to own. You’ll find their Solar carbon fork, Oxygen tyres, Argon rims, Turbine hubs and even their new hydraulic disc brake kit on this masterpiece of a bike. Ready for the track and the podium, we hope you can keep up with the speed that this machine can put out!

• Frame - Lightweight hydroformed 6061 T6 alloy, tapered headtube, forged dropouts, with int. chain tensioners
• Fork - Radio, 'Solar', carbon fork, 1-1/8″ – 1.5″ tapered steerer tube, 32mm offset
• Handlebar - Radio, 'Neon Pro', hydroformed multiple butted & heat-treated Cr-Mo
• Grips - Radio, 'Xenon', diamond knurling, clamp on grip, 139mm length
• Stem - Radio, 'Neon Pro', top loader, ext. 54mm, CNC machined, alloy
• Headset - Radio, 'Pro', int. headset, sealed, threadless, 1-1/8″ – 1.5″
• Brake lever - Radio, 'Raceline', hydraulic disc brake 2 finger lever
• Brake - Radio, 'Raceline', hydraulic disc brake, 120mm rotor
• Crank - Radio, 'Xenon Pro', 2pc crank, cold forged/CNC, alloy 180mm length, 24mm spindle
• BB - Radio, 'Raceline', BSA24, external bearing cups, CNC machined, sealed
• Pedals - Radio, 'Xenon' slim, alloy
• Chain - KMC, 'Z1EHX', 1/2″ x 3/32″
• Sprocket - Radio, 'Xenon Pro', 44T, alloy
• Driver - Radio, 16T cog, 1/2″- 3/32″, sealed cassette driver
• Front hub - Radio, 'Turbine', alloy CNC, fully sealed, 36T, 3/8″ female Cr-Mo axle
• Rear hub - Radio, 'Turbine', alloy CNC, fully sealed, 36T, disc brake cassette, 3/8″ female Cr-Mo axle
• Rims - Radio, 'Argon Pro', 36h, alloy, sleeved, tubeless ready F & R
• Seat - Radio, 'Xenon', pivotal, no padding
• Seat post - Radio, 27.2mm, pivotal, alloy seatpost
• Seat clamp - Radio, 'Helium Pro', quick-release , alloy
• Tyres - Radio, 'Oxygen', front 20″x1.95″ / rear 20″x1.75″, foldable , tubeless ready
• Weight - 9.085kg/ 20.03lbs

Frame geometry

• Top tube length - 21.75″
• Chain stay length - 15.25″
• Head tube angle - 74°
• Seat tube angle - 71°
• Bottom bracket height - 11.6″

Handlebar geometry

• Rise - 8.5″
• Width - 29″
• Backsweep - 6.5°
• Upsweep - 2.5°