Child Bike OFF -Pro Brand: Woom Model: OFF 4 Color: terra coppa Frame: Sloping, 20" Frame Material: Shrunk & hydroformed 6061-T6 aluminum tubes Fork: Carbon (multidirectional plies) Frame Warranty: 10 years for main frame parts (slt. after customer registration) Rider Height: 1.18-1.30m Age Range: 6-8 years Maximum Allowed Weight: 50 kg Weight: 8.1kg (without pedals) Wheelbase: 850mm Equipment: SRAM X5 9-speed Hydraulic disc brakes: Promax 140/140 mm Disc Size: 140/140mm Tires: Schwalbe Rocket Ron (TLR, ADX) Tire Size: 20''x 2.25" Tire Pressure: max. 3.7Bar Wheel Axles: Front 100x15 mm / Rear 135x12mm Rear Drive: 11-32teeth Front Drive: 28Teeth Cockpit: Flip-Flop Stem, 50mm Headset: Integrated 1 1/8" - 1" Seatpost: 250mm, Ø 27.2mm