Another What Bike?

Genesis Core 10 vs Saracen Mantra Pro?
I have the option of these two bikes with £50 off in my local shop so its exactly the same price. Simple Question.
This one or that one?

Genesis Core 10



Frame: 6061 Double-Butted Aluminium

Fork: SR Suntour XCM-LO-DS-27.5, 100mm Travel

Headset: FSA TH-857 1-1/8 Ahead

Stem: Genesis 0.1 MTB, 31.8mm x 7° Rise

Speed: 27

Front Mech: Shimano Altus FD-M370 9sp

Rear Mech: Shimano Altus RD-M370 9sp

Chainset: SR Suntour CW13-XCM, 44/32/22T

Bottom Bracket: SR Suntour BB10-XCT, 68x113mm

Cassette: Shimano CS-HG20 11-34T 9sp

Chain: Shimano CN-HG53 9sp

Front Brake: Shimano Acera BR-M395 w/ SM-RT56 160mm Rotors

Rear Brake: Shimano Acera BR-M395 w/ SM-RT56 160mm Rotors

Rims: Alex MD21 Disc, 32H w/ TRS (Tubeless Ready System)

Front Hub: Formula DC-19 6-Bolt, 32H

Rear Hub: Formula DC-25 6-Bolt, 32H

Tyres: Continental X-King 27.5 x 2.2 Front Continental X-King 27.5 x 2.2 Rear

Seatpost: Genesis 0.2 MTB, 27.2 x 400mm

Saracen Mantra Pro



Frame: Mantra 27.5 lightweight custom butted 6061 alloy tubeset / UK-specific design / 44mm standard integrated headtube

Fork: Suntour XCR 32 LO / 120 mm travel with lock-out

Headset: TH No.11N A-Headset

Stem: Saracen 318 6061 60-90 mm A-Head / 7 degree rise / 31.8 mm clamp

Speed: 27

Front Mech: Shimano Acera M370

Rear Mech: Shimano Acera M430

Chainset: Shimano FCM391 Octalink 22/32/42T 170-175 mm

Bottom Bracket: Shimano BB-ES25 Octalink

Cassette: Shimano HG20 9-speed cassette 11-34T

Chain: KMC Z99

Front Brake: Shimano M395 160mm

Rear Brake: Shimano M395 160mm

Rims: Araya DM-27.5 Black 32 hole

Front Hub: Formula DC19

Rear Hub: Formula DC22

Tyres: Schwalbe Rapid Rob 27.5 x 2.25 inch Front Schwalbe Rapid Rob 27.5 x 2.25 inch Rear

Seatpost: Alloy Micro-adjust / 30.9 mm