Jamis Allegro A3 Step-Over vs Sensa Giulia GF Dura Ace Di2 2X12

Compare Specifications of Jamis Allegro A3 Step-Over and Sensa Giulia GF Dura Ace Di2 2X12

Selected Bikes

Jamis Allegro A3 Step-Over
Jamis Allegro A3 Step-Over

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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 Size Specific Design 6061 aluminum with fast back rear triangle, internal cable routing, hydro-formed top and down tube, taper gauge “S” bend stays, kickstand mount, replaceable derailleur hanger and fender/rack eyelets Monocoque G5 carbon fiber - EPS moulding - Tapered 1.5
Stem Jamis alloy hi-rise, quill type, 35˚ rise, 80mm extension, 180mm high, 150mm (14-16”), 180mm (18”) Supra Speed Line
Handle Bar Jamis Riser bar, aluminum, 25.4 x 10˚ sweep x 40mm rise x 600mm Supra Speed Line
Fork Hi-Ten tapered straight blade unicrown with bulge butted steerer, low-rider carry mounts and forged dropouts with 2 fender eyelets Supra full carbon monocoque - Airflow - Tapered 1.5
Seatpost Jamis alloy micro-adjust, 27.2 x 350mm, alloy clamp with QR seatpin Supra Race Line Carbon GF 27.2 x 370
Grip Anatomic double density kraton --
Crankset Forged alloy, 48/38/28T, 170mm with chain guard --
Pedals Platform style, steel cage/resin body --
Chain KMC Z51 --
Shifters Shimano EZ-Fire Plus ST-EF500 shifters, 21-speed --
Saddle Jamis Touring Women’s with SL cover Selle Italia Model X Superflow
Headset Internal cup, threaded, 1 1/8” --
Derailleur Rear Shimano RD-TY300 rear and Shimano FD-TY510 top swing front --
Cassette Shimano CS-HG200, 7-speed 12-32T --
Bottom Bracket VP sealed cartridge, 68 x 122.5mm --
Tyres
Front Kenda Eurotrek K-197, 700 x 32c Schwalbe One Performance 28 mm
Rear Kenda Eurotrek K-197, 700 x 32c Schwalbe One Performance 28 mm
Wheel / RIM Double wall alloy rims, 32H, alloy hubs with QR and 14g stainless steel spokes Supra RA Pro Disc
Brakes
Front Promax TX-121 linear-pull with front power modulator and Shimano levers Shimano Dura Ace hydraulic disc brakes
Rear Promax TX-121 linear-pull with front power modulator and Shimano levers Shimano Dura Ace hydraulic disc brakes
Suspension
Front -- --
Rear -- --
Colors Available
Colors Ano Nickel
Robins Egg
Racing Red


Physical Specs
Length -- --
Weight 12 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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