Bianchi Oltre Race 105 Di2 12sp vs Polygon Strattos S2

Compare Specifications of Bianchi Oltre Race 105 Di2 12sp and Polygon Strattos S2

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Bianchi Oltre Race 105 Di2 12sp
Bianchi Oltre Race 105 Di2 12sp

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Frame Oltre Race aero carbon, compatible with mechanical/electronic transmissions, compatible with internal cable routing, BB-PressFit 86,5x41, integrated seat clamp, disc brake flat mount, thru axle 12x142 sizes 44-47-50-53-55-57-59-61cm ALX All-Round, QRx130mm
Stem Velomann, Alloy 6061, raise - 7° Ext: 80mm-44cm, 90mm-47/50cm, 100mm-53cm, 110mm-55/57cm, 120mm-59/61cm Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar Velomann Aero Compact, alloy 6061 diam. 31,8mm, reach 74mm, drop 116mm Size: 400mm-47/53cm, 420mm-55/59cm, 440mm-61cm Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Full Carbon Aero Road, integrated head , disc brake flat mount, thru axle 12x100 Light Weight Carbon Fork, Straight 1-1/8"
Seatpost Velomann Full Carbon Aeroshape, special Clamp type with alloy head adjustable and reversible +/- 35mm; lenght: 250mm-44, 300mm-47/50cm, 350mm-53/61cm Entity Sport Alloy, 27.2 x 350mm
Grip Bianchi cork, black --
Crankset Shimano 105 12sp, FC-R7100, hollowtech 2, for rear 12- speed, 50x34T Crank Length: 165mm-44cm, 170mm-47/53cm, 172.5mm-55/59cm, 175-61cm Prowheel Ounce-421C-TT-N 50/34T
Pedals -- Alloy Cage & Body w/ Reflector
Chain Shimano, 105 12sp, CN-M7100 KMC Z-8.3
Shifters Shimano 105 Di2 hydraulic disc brake for road, ST-R7170, BR-R7170, for 160mm rotor Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle Velomann Seta Entity, Steel Dia 7mm
Headset ACROS & FSA, for internal cable routing Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front Shimano 105 Di2 12sp, FD-R7150, top gear 50-52T, for rear 12-speed Alloy QRx100mm 32H
Derailleur Rear Shimano, RD-R7150, 105 Di2 12-speed Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Cassette -- Shimano CS-HG31 11-30T
Bottom Bracket Shimano, SM-BB72-41B, press fit for road Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front Vittoria Rubino IV G2.0 graphene, 700x28, 60TPI Performance Tire 700C​
Rear Vittoria Rubino IV G2.0 graphene, 700x28, 60TPI Performance Tire 700C​
Wheel / RIM Fulcrum Racing 818 disc brake, Aluminium C19 2WF-R Tubeless ready 622x19c, profile height 34mm, HG11 Alloy Double Wall 622-15 32H
Brakes
Front Shimano BR-R7170 Hydraulic disc brake, included in the shifter TEKTRO R315 Caliper
Rear Shimano BR-R7170 Hydraulic disc brake, included in the shifter TEKTRO R315 Caliper
Brake Lever -- Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors Ck16 / Irid Matt
Graphite Cangiante / Graphite Matt
Blue
Light Red


Physical Specs
Length -- --
Overview
About Bianchi Oltre Race 105 Di2 12sp is upgrading to electronic shifting, this bike includes the Shi Read More --
Features -- --
Additional Details ROTOR: Shimano rotor for disc brake center lock, 160mm --

Which one do you think is better? And why?
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