Jamis Allegro A3 vs Polygon Strattos S2

Compare Specifications of Jamis Allegro A3 and Polygon Strattos S2

Selected Bikes

Jamis Allegro A3
Jamis Allegro A3

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Polygon Strattos S2
Polygon Strattos S2

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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 ALX All-Round, QRx130mm
Stem Jamis alloy hi-rise, quill type, 35˚ rise, 80mm extension, 150mm (15”), 180mm (17-23”) Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar Jamis Riser bar, aluminum, 25.4 x 10˚ sweep x 40mm rise x 600mm (15-17”) 620mm (19-23”) Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Hi-Ten tapered straight blade unicrown with bulge butted steerer, low-rider carry mounts and forged dropouts with 2 fender eyelets Light Weight Carbon Fork, Straight 1-1/8"
Seatpost Jamis alloy micro-adjust, 27.2 x 350mm, alloy clamp with QR seatpin Entity Sport Alloy, 27.2 x 350mm
Grip Anatomic double density kraton --
Crankset Forged alloy, 48/38/28T, 170mm with chain guard Prowheel Ounce-421C-TT-N 50/34T
Pedals Platform style, steel cage/resin body Alloy Cage & Body w/ Reflector
Chain KMC Z51 KMC Z-8.3
Shifters Shift levers : Shimano EZ-Fire Plus ST-EF500 shifters, 21-speed Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle Jamis Touring with SL cover Entity, Steel Dia 7mm
Headset Internal cup, threaded, 1 1/8” Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front -- Alloy QRx100mm 32H
Derailleur Rear Shimano RD-TY300 rear and Shimano FD-TY510 top swing front Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Spoke 14g stainless steel spokes --
Cassette Shimano CS-HG200, 7-speed 12-32T Shimano CS-HG31 11-30T
Bottom Bracket VP sealed cartridge, 68 x 122.5mm Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front 14g stainless steel spokes Performance Tire 700C​
Rear 14g stainless steel spokes Performance Tire 700C​
Wheel / RIM Double wall alloy rims, 32H, alloy hubs with QR Alloy Double Wall 622-15 32H
Brakes
Front Promax TX-121 linear-pull with front power modulator and Shimano levers TEKTRO R315 Caliper
Rear Promax TX-121 linear-pull with front power modulator and Shimano levers TEKTRO R315 Caliper
Brake Lever -- Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Blue
Light Red


Physical Specs
Length -- --
Overview
Features -- --
Additional Details Sizes : 15”, 17”, 19”, 21”, 23” --

Which one do you think is better? And why?
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