Need advise on what built-bike to choose

Hi, Guys and gals.

I would like to ask your advise as to which built bike should I buy from the following:



Giant Talon 4 bike 27.5 model 2015 24 Speed Hydraulic brake(19,800)

Frame: Giant ALUXX-grade aluminum
Handlebar: Giant Connect XC, Low rise, 31.8mm
Stem: Giant Sport
Seatpost: Giant Sport, 30.9mm
Saddle: Giant Connect, Upright
Shifters: Shimano Altus
Front Derailleur: Shimano Altus
Rear Derailleur: Shimano Acera
Brakes: Tektro Auriga, Hydraulic brakes
Cassette: Shimano HG31 11x34, 8-speed
Chain: KMC Z8
Crankset: SR Suntour NEX, 24/34/42
Bottom Bracket: SR Suntour sealed
Rims: Giant Alloy, Double wall
Tires: Giant Sport, 27.5x2.1



Giant Atx 2 bike 2015 model 650b (17,000)

Frame: ALUXX-grade aluminum
Fork: SR Suntour XCT, 100mm travel
Handlebar: High-tensile steel, Low rise, 25.4mm
Stem: Giant Sport
Seatpost: Alloy, 30.9mm
Saddle: Giant Connect, Upright
Shifters: Shimano EF40
FD: Shimano Tourney
RD: Shimano Tourney
Brakes: Tektro Aires, Mechanical disc, 160mm
Brake Levers Shimano EF40
Cassette:Shimano TZ31 14x34, 7-speed freewheel
Chain: KMC Z51
Crankset: SR Suntour NEX, 28/38/48
Bottom Bracket: SR Suntour sealed
Rims :Giant Alloy, Double wall
Tires: Giant Sport, 27.5X1.95


I am setting a deadline until March 25 to secure my bike. Right now, I'm down to the above two for my choice. I hope to get your advise.

Thanks in advance.