Tested on the track and designed in conjunction with a team with BMX race knowledge spanning 3 decades, Radio enter the market with a well thought out and powerful line of pure bred race machines. Radio's mid-level Xenon, where the bikes themselves have been created with incredibly stiff and responsive frames with specific incremental spec and geometry changes, giving all riders the “perfect” feel no matter their age, size or ability. ###section### Product Specs FRAME MATERIAL: 6061-T6 alloy, forged dropouts with int. chain tensioners WHEEL SIZE: 20" TOP TUBE LENGTH: 20.25" CHAIN STAY LENGTH: 13.6" HEADTUBE ANGLE: 73° SEAT TUBE ANGLE: 71° FORKS: full crmo, 1 1/8″ butted steerer BARS: 6061-T6 alloy STEM: RADIO “Cobalt” top loading stem, 50mm reach HEADSET: FS “PRO” int. headset, sealed bearing, 1 1/8″ BRAKE MOUNTS: Welded BRAKES: PROMAX “MV-87” alloy brake rear FRONT HUB: RADIO “Xenon” alloy hub, sealed bearing, 3/8″s, 32h FRONT RIM: Alex “MUS30” rim, double wall, 32h REAR HUB: RADIO “Xenon” alloy cassette hub, sealed bearing, 3/8″s, 32h REAR RIM: Alex “MUS30” rim, double wall, 32h TYRES: Tioga “Power Block” tires, 20″ x 1.6″ front & 20″ X 1.4″ rear SPROCKET: RADIO alloy, 39t sprocket CRANKS: RADIO “Cobalt” forged alloy 3pc crank, 165mm long BB: RADIO, BSA square taper, sealed PEDALS: RADIO “Xenon” slim alloy, crmo axle SEAT: RADIO Pivotal seat, no padding GEARING: 39/16 WEIGHT: 8.15kg / 17.96lbs ###section### Product Highlights Great for riders who are between 5ft and 6ft tall (150cm - 180cm) BMX Racing specific bike Lightweight Aluminum Frame Strong Responsive Promax V-Brake Low Resistance Tioga Powerblock Tires ###shogun-image-section###