Precise speed change system, smooth speed change performance, accurate positioning, and durable speed change
Outer tube - 2.125
Inner tube - natural rubber, meizui middle shaft - 3S
Brake - front clamp brake and rear holding brake
Transmission - peak
Tower wheel - saiguan six pieces
Handle sleeve -- environmental protection material handle sleeve
Pedal - plastic bead free, with BS reflector
Seat - thickened high elastic
85 assembly
Speed Change Big Children Bike
Size: 18 "20" 22 "24"
Configuration: single speed transmission
Color: blue red yellow
Frame -- high carbon steel frame
Handlebar - iron swallow handle, aluminum alloy hexagonal handle
Front fork - high carbon steel
Surface technology - plastic spraying
Decal - External Decal
Rim - magnesium alloy integrated wheel
Crank disc - cold forging process tooth disc
Flower drum iron
