Specs: FRAME: 20''*290MM STEEL 34*100MM BIG BB SHELL FORK:20'' *25.4*28.6*164MM THREADLESS W/PIVOT HEAD PARTS:1-1/8''*34*30 H:22MM BB PARTS:STEEL 9PCS FOR BIG BB SHELL SADDLE:BK RAIL AND CLAMP PVC; TOP YS719/BOTTOM BK SEAT POST:STEEL 25.4*1.8*350MM REDUCED OPEN BENT TYPE W/KNURL SEAT POST CLAMP:ALLOY FOR DIA 28.6MM FORGED FRONT HUB: ALLOY 3/8''*100*165*48H*14G W/safety catch and flange nut REAR HUB:ALLOY 3/8''*110*175*48H*14G W/ flange nut SINGLE SP SPOKE: F: 183MM 45# 14G STEEL NIPPLE R:182MM 45# 14G STEEL NIPPLE RIM:ALLOY 20''*1.75*48H*14G TYRE:20''*1.95 BK TUBE:20''*1.75/2.215 A/V CHAINWHEEL:1/2*1/8*44T CRANK:STEEL L:175MM BOTH SIDES POLISHED PEDAL:ALLOY W/BALL W/TPP REFLECTOR CHIANCOVER: FOR 44T CHIANWHEEL CHAIN:1/8''*1/2''*16T FREEWHEEL:1/2''*1/8''*16T HANDLEBAR:STEEL 650*22.2*1.4MM RISE:216MM STEM: ALLOY 28.6MM EXT:48MM H:30MM GRIP:PVC ONE END OPEN 22.2*130MM BRAKE:ALLOY V-BRAKE BRAKE PAD: 55MM FRONT 90 REAR 110 DEGREE BENT PIPE L:110MM BRAKE LEVER: ALLOY DIA:22.2MM W/ADJUSTBALE SCREW BK BASE/SILVER LEVER BRAKE CABLE:F:900*1250MM 2P ROTATOR: STEEL 1-1/8'' 360 DEGREE ROTATION STEP AXLE: ALLOY OUTER HEXAGON, THREADED 26T*3/8'' 38*110MM BELL:DIA:22.2MM ALLOY YS-722 YELLOW COVER BK BASE LIGHT: FRENCH NORM FRONT+REAR LIGHT W/REFLECTOR W/ BATTERY LIGHT BRACKET: FRONT FOR BHB-88 DIA22.2; REAR FOR SPB-11A+SPB-11B DIA25.4 WHEEL REFLECTOR: TPL STANDARD CARTON: 98% PACKING WHEEL CARD:20'' SKYJUMP DESIGN ONLY FOR FRONT WHEEL DIA360MM*28MM MADE FROM 350G PAPER STICKER: AS PER ORDER