TK1-Components

Frame  6061 Aluminum+Hiten Steel, Folding Structure, Rear Differential Mechanism
Fork Suspension, Coil Spring Structure, Mechanical Lockout
Handle Bar Alloy, BMX Style, Barboe 31.8mm, Length 660mm, Rise 120mm
Stem Alloy, Barboe 28.6*31.8mm, Folding, Extension Tube 178mm
Saddle Comfortable Big Vacuum Foaming Seat
Seat Post Alloy 31.8*500mm Length
Shifter Trigger Shifter 
Chainwheel Alloy Crank 170mm, Steel Chain Ring 36T
Freewheel 18T
Brake Hydraulic Disc Brake, Alloy, Rotor 180mm
Brake Level Alloy 3 Fingers, Hydraulic Disc Brake with Electrical Cut-off Function
Rim Alloy 20 Inch*30*13G*36H, AV
Tire 20*3.0