Biria Classic ST i3 vs Polygon Strattos S2

Compare Specifications of Biria Classic ST i3 and Polygon Strattos S2

Selected Bikes

Biria Classic ST i3
Biria Classic ST i3

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Frame Chromoly and Hi-Ten steel ALX All-Round, QRx130mm
Stem Aluminum Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar Aluminum Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Steel Light Weight Carbon Fork, Straight 1-1/8"
Seatpost -- Entity Sport Alloy, 27.2 x 350mm
Crankset -- Prowheel Ounce-421C-TT-N 50/34T
Pedals -- Alloy Cage & Body w/ Reflector
Chain -- KMC Z-8.3
Shifters -- Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle -- Entity, Steel Dia 7mm
Headset -- 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 Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Cassette -- Shimano CS-HG31 11-30T
Bottom Bracket -- Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front 700 X 35 Performance Tire 700C​
Rear 700 X 35 Performance Tire 700C​
Wheel / RIM Rims: Double wall aluminum Alloy Double Wall 622-15 32H
Brakes
Front Aluminum Tektro Caliper TEKTRO R315 Caliper
Rear Aluminum Tektro Caliper TEKTRO R315 Caliper
Brake Lever -- Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors Nickel Silver Blue
Light Red


Physical Specs
Length -- --
Weight 13 kg --
Overview
Features -- --
Additional Details Gear : Shimano Nexus 3, free wheel, with grip shifter
Size : 43 cm (16"), 50 cm (20")
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Accessories Fenders
Aluminum rear rack
Chain guard
Kickstand
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Which one do you think is better? And why?
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