The 2021 Radio Bikes Quartz line of BMX race bikes is pretty sick! It’s the brands top of the line race completes and they feature a lower profile, disk brakes, carbon forks, nice graphics and more! The bottom bracket height is slightly higher than the average race bike at 11.6″. it also has internal chain tensioers and it comes with v-brake mounts. The one featured here is the XXL(21.75″tt) model but it also comes in Pro L(20.9″tt) and XL(21.25″tt) sizes. Be sure to give it a rating below for the 2021 Top BMX Race Bikes chart
THE BEST OF THE BEST! THE QUARTZ IS OUR X2 WORLD CHAMPIONSHIP WINNING SUPER-LIGHTWEIGHT ALLOY FRAME WITH NO DETAILS SPARED. WE 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 OUR SOLAR CARBON FORK, OXYGEN TIRES, ARGON RIMS, TURBINE HUBS AND EVEN OUR 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!
~Radio Bikes
Features:
- 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, 16Tcog, 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, flash welded, 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
- TIRES Radio, Oxygen, front 20″x1.95″ / rear 20″x1.75″, foldable , tubeless ready
- WEIGHT 9.085kg/ 20.03lbs
Frame Geo:
- TOP TUBE LENGTH 21.75″
- CHAIN STAY LENGTH 15.25″
- HEAD TUBE ANGLE 74°
- SEAT TUBE ANGLE 71°
- BOTTOM BRACKET HEIGHT 11.6″