13KGS flywheel, with computer,1pc crank One direction with adjustable tension controller Assembly size: 122X64X104CM Packing size: 95X22X77CM N.W/G.W:34/37KGS 1pc/ctn. TUBE: Main frame:60X30X1.5mm,50X50X1.5mm Seat post and handle bar post:53X23X1.5 mm Handlebar :Φ22X1.5mm Computer function: SCAN.TIME.SPEED.DISTANCE.CALORIES FCL loading: 20':160pcs 40':355pcs 40' HQ: 400pcs