Here are the specifications for Nigma 2:
WEIGHT: 11.5KG (w/ Pedals)
FRAME: Alloy 6061 Folding Frame
FORK: Rigid Hi Ten
HANDLE BAR: Alloy Handlebar, Bar Bore 25,4mm, Length 540mm
STEM: Alloy Stem W/ Adjustable Height
SEAT POST: Alloy 33,9mm x 600mm
CRANKSET: Alloy 52T
REAR DERAILLEUR: Niseko 8 Speed
Brakes: Alloy Mechanical Disc Brake
WHEELSET: United Alloy Double Wall High Rim
Tire: 20” x 1 3/8” (451)