Children are the future, and the Zuma range from Radio Bikes is designed to give them the best possible start towards that future… FRAME: RADIO "ZUMA 26" frame, 6061-T6 alloy FORK: RADIO "ZUMA 26" straight rigid fork, 6061-T6 alloy HANDLEBAR: RADIO "ZUMA 26" handlebar, 6061-T6 alloy, inner diameter 31.8 mm, rise 1" GRIPS: RADIO "ZUMA" grips, 130 mm, without flange STEM: RADIO "ZUMA 45" front mount stem, alloy, reach of 45 mm HEADSET: FSA A-headset, loose ball bearings BRAKE LEVERS: PROMAX "BL-42" levers, alloy BRAKES: TEKTRO "MD280", mechanical disc brakes front and rear, 160 mm disc at the front and 140 mm at the rear CRANKSET: RADIO "ZUMA" 3-piece, forged alloy, length 165 mm BOTTOM BRACKET: RADIO, BSA, square tapered, sealed bearings PEDALS: RADIO "ZUMA", nylon, crmo axle CHAIN: KMC, narrow type Z1, 1/2" x 3/32" SPROCKET: RADIO, steel, 32 teeth, narrow-wide CASSETTE: MICROSHIFT, CS-H093, 11-42 teeth, 9 speeds SHIFTER: MICROSHIFT, Advent, SL-M819R, 9 speeds REAR DERAILLEUR: MICROSHIFT, RD-M6195M, clutch, 9 speeds FRONT HUB: RADIO disc hub, alloy, ball bearing, QR crmo axle, 28 holes REAR HUB: RADIO "ZUMA" cassette and disc hub, alloy, sealed, QR, 28 holes FRONT RIM: RADIO "J25SE", alloy, double wall, 28 holes REAR RIM: RADIO "J25SE", alloy, double wall, 28 holes SADDLE: RADIO "ZUMA 26" rail saddle SEAT POST: PROMAX "SP-2019" seat post, alloy, multiple adjustment, 300 mm x 31.6 mm SEAT CLAMP: RADIO "SLIM" seat clamp, alloy TIRES: VEE TIRE "CROWN GEM", 2.25 inches front and rear Weight: 12.66 kg / 27.91 lb