- 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
- TYRES: TIOGA "FASTR" tyres, front: 20" x 1.75" and rear: 20" x 1.6"
SKU: Product Code: A100016739
Radio Quartz Pro XXL Race Bike Matt Black
Radio Quartz Pro XXL Race Bike Matt Black
Built around our six-time World Championship-winning Quartz frame, the Quartz Pro 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 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 is ready to perform when it matters most.
Weight: 8.7kg / 19.18lbs
Frame Geometry:
| Top Tube Length | 20.5" |
| Chain Stay Length | 13.9" |
| 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° |

FAQS
Need some help? Check some of our most frequently asked questions
What are the delivery times?
We offer multiple shipping options for UK customers including Royal Mail Tracked 48/24 services, APC Overnite and Saturday delivery. You can find these at checkout.
For international customers shipping times may vary depending on location and the size of your order but are usually 2-5 working days worldwide. You can get shipping prices at checkout including taxes and duties automatically after adding your shipping address for a total landed cost of your order. For full shipping information please check here: https://alansbmx.com/pages/delivery
Do the bikes arrive pre-built or will they need to be assembled?
Bikes arrive in a flatpack state and require the Handlebars, Seat, Pedals, Accessories and adjustment by a qualified cycle mechanic for the warranty to be valid. We do offer our Ready2Ride service where we build the bike here at the shop from our mechanics, adjust everything and keep your warranty intact, all you need to do is turn the bars straight and attach the pedals and you are ready to shred! There is an additional cost due to the oversize box and you can find this as an option on the product page for bikes 20 inch or smaller or contact us.
Do you ship worldwide?
We ship worldwide and offer shipping to many countries including USA, Canada, Australia, Germany, France, Netherlands, New Zealand, Singapore, Japan and many many more
Shipping is calculated at checkout along with customs and duties once you put your delivery address in for smooth and fast delivery via DHL.
Dont see your country as an option? Get in touch on sales@alansbmx.com.
Do you offer finance?
We offer finance options at checkout for our customers from multiple providers including Klarna, Shop Pay, PayPal and V12 Finance ( V12 is for UK Customers only).