- FRAME: RADIO RACELINE "QUARTZ DISC" frame, lightweight hydroformed 6061-T6 alloy, tapered headtube, sliding forged dropouts, with int. chaintensioners, flatmount disc brake
- FORK: ARISE "QUARTZ PRO" fork, 1-1/8" - 1.5" tapered steerer, 31mm offset, inc. 10mm adaptors
- HANDLEBAR: RADIO RACELINE "NEON PRO 7.5" hydroformed bar, multiple butted & heattreated crmo
- GRIPS: RADIO RACELINE "XENON" grips, diamond knurling, clamp on grip, 139mm length
- STEM: ARISE "NEON PRO" toploader stem, ext. 53mm, cold forged/cnc alloy
- HEADSET: RADIO RACELINE "PRO" integrated headset, sealed, threadless, 1-1/8" - 1.5"
- BRAKE LEVER: ARISE "XENON" disc brakelever
- BRAKE: ARISE "XENON" hydraulic disc brake, 120mm rotor, rear, flatmount
- CRANK: ARISE "XENON PRO" 2pc crank, cold forged/cnc, alloy, 175mm length, 24mm spindle
- BB: RADIO RACELINE "BSA24" bb set, external bearing cups, cnc machined, sealed
- PEDALS: RADIO RACELINE "XENON SLIM" pedal, alloy
- CHAIN: KMC "Z1eHX" chain, 1/2" x 3/32"
- SPROCKET: ARISE "XENON PRO" sprocket, 43T, alloy
- DRIVER: RADIO RACELINE driver, 16T, 1/2"- 3/32", sealed cassette
- FRONT HUB: ARISE "BRAVO" front hub, alloy cnc, fully sealed, 36h, 3/8" female crmo axle
- REAR HUB: ARISE "BRAVO" rear hub, alloy cnc, fully sealed, 36h, disc brake cassette, 6 pawl, 3/8" female crmo axle
- FRONT RIM: ARISE "ARGON PRO" rim, flash welded, 32 / 36h, tubeless ready, alloy
- REAR RIM: ARISE "ARGON PRO" rim, flash welded, 32 / 36h, tubeless ready, alloy
- SEAT: RADIO RACELINE Seat- & Seatpost Combo
- SEAT CLAMP: ARISE "XENON" seat clamp, quick-release, alloy
- TIRES: TIOGA "FASTR" tires, front: 20" x 1.75" and rear: 20" x 1.6"
Quartz Pro L Complete Bike
Built around our six-time World Championship-winning Quartz frame, the Quartz Pro L represents the pinnacle of our BMX race range. This super-lightweight alloy chassis is paired with a no-compromise Pro-level specification, bringing together the very best components we've developed to create a bike built for one thing—winning races.
Featuring our Solar Carbon fork, Argon rims, Bravo hubs, and the latest hydraulic disc brake system, the Quartz Pro L delivers elite-level performance straight out of the box. Fast, responsive, and race-proven, it's a bike designed for riders chasing podium finishes.
The latest Quartz Disc frame introduces sliding disc dropouts with flat-mount brake compatibility, alongside clean internal cable routing for a refined, race-focused finish. Developed through championship success and engineered for modern BMX racing, the Quartz Pro L is ready to perform when it matters most.
Weight: 8.7kg / 19.18lbs
Frame Geometry:
| Top Tube Length | 20.9" |
| Chain Stay Length | 14.25" |
| Head Tube Angle | 74° |
| Seat Tube Angle | 71° |
| Bottom Bracket Height | 11.6" |
Handlebar Geometry:
| Rise | 7.5" |
| Width | 28" |
| Backsweep | 6.5° |
| Upsweep | 2.5° |