Jamis Helix A2 vs Sensa Giulia GF Dura Ace Di2 2X12

Compare Specifications of Jamis Helix A2 and Sensa Giulia GF Dura Ace Di2 2X12

Selected Bikes

Jamis Helix A2
Jamis Helix A2

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Sensa Giulia GF Dura Ace Di2 2X12
Sensa Giulia GF Dura Ace Di2 2X12

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Technical Specifications
Frame 6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger Monocoque G5 carbon fiber - EPS moulding - Tapered 1.5
Stem Jamis XC alloy threadless, 31.8 x 10˚ rise x 75mm (14”/16”), 90mm (18”) Supra Speed Line
Handle Bar Jamis XC alloy riser, 31.8 x 20mm rise x 720mm Supra Speed Line
Fork SR Suntour XCE 28 DS 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel Supra full carbon monocoque - Airflow - Tapered 1.5
Seatpost Jamis alloy micro-adjust, 31.6 x 350mm (14”) 400mm (16”/18”) Supra Race Line Carbon GF 27.2 x 370
Grip Kraton --
Crankset Forged Alloy, 36/22T --
Pedals MTB platform, hi-impact resin --
Chain KMC Z8.3, 8-speed --
Shifters Shift levers : Shimano EF505, 2x8-speed --
Saddle Jamis ATB Sport Women’s Selle Italia Model X Superflow
Headset Zero-stack internal cup, 8mm cone spacer --
Derailleur Rear Shimano Tourney rear and Altus front --
Spoke 14G nickel-plated spokes --
Cassette Shimano HG31, 8-speed, 11-32T --
Bottom Bracket Sealed cartridge --
Tyres
Front CST Patrol, 27.5 x 2.25” Schwalbe One Performance 28 mm
Rear CST Patrol, 27.5 x 2.25” Schwalbe One Performance 28 mm
Wheel / RIM Alex TD26 27.5” rims, 32H, alloy disc hubs Supra RA Pro Disc
Brakes
Front Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors Shimano Dura Ace hydraulic disc brakes
Rear Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors Shimano Dura Ace hydraulic disc brakes
Suspension
Front -- --
Rear -- --
Colors Available
Colors Vanilla Mint
Charcoal
Racing Red


Physical Specs
Length -- --
Overview
Features -- --
Additional Details Sizes : 14”, 16”, 18” Sizes : 50-53-55-58-61cm

Which one do you think is better? And why?
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