Jamis Explorer A2 Step-Thru vs Sensa Giulia GF Dura Ace Di2 2X12

Compare Specifications of Jamis Explorer A2 Step-Thru and Sensa Giulia GF Dura Ace Di2 2X12

Selected Bikes

Jamis Explorer A2 Step-Thru
Jamis Explorer A2 Step-Thru

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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 TIG-welded aluminum, all-new sport comfort design with upright ride position, replaceable derailleur hanger, center-mount kickstand bracket Monocoque G5 carbon fiber - EPS moulding - Tapered 1.5
Stem Jamis alloy, angle-adjustable, 90mm ext x 150mm quill (14–18") or 110mm ext x 180mm quill (19–21”) Supra Speed Line
Handle Bar Comfort hi-rise, steel, 25.4 x 80mm rise x 15˚ sweep x 620mm Supra Speed Line
Fork Hi-tensile steel unicrown, radius blades with dropout eyelets Supra full carbon monocoque - Airflow - Tapered 1.5
Seatpost Alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp Supra Race Line Carbon GF 27.2 x 370
Grip Kraton comfort --
Crankset Forged alloy, 48/38/28T, 170mm with chainguard --
Pedals Comfort platform with TPE non-slip insert --
Chain KMC Z7 --
Shifters Shimano EZ-Fire Plus, ST-EF500, 21-speed --
Saddle Jamis Comfort with extra thick padding, synthetic suede top, burnished side panels and bumper springs Selle Italia Model X Superflow
Headset Internal cup, threaded, 1 1/8” --
Derailleur Front Shimano TY510 top swing/dual pull --
Derailleur Rear Shimano TY300 --
Cassette Shimano freewheel 7-speed, 14-34 --
Bottom Bracket Sealed cartridge, 68 x 110.5mm --
Tyres
Front CST - 1918, 27.5 x 2.1 Schwalbe One Performance 28 mm
Rear CST - 1918, 27.5 x 2.1 Schwalbe One Performance 28 mm
Wheel / RIM Alloy 36H rims, Formula alloy hubs, QR front and rear, 14g stainless steel spokes Supra RA Pro Disc
Brakes
Front ProMax alloy direct pull brakes with Shimano levers Shimano Dura Ace hydraulic disc brakes
Rear ProMax alloy direct pull brakes with Shimano levers Shimano Dura Ace hydraulic disc brakes
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Racing Red


Physical Specs
Length -- --
Weight 13.8 kg --
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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