Kestrel RT-1100 Shimano 105 vs Polygon Strattos S2

Compare Specifications of Kestrel RT-1100 Shimano 105 and Polygon Strattos S2

Selected Bikes

Kestrel RT-1100 Shimano 105
Kestrel RT-1100 Shimano 105

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Frame Kestrel Super Light (KSL) 800K carbon fiber, FM Disc, PF30 BB ALX All-Round, QRx130mm
Stem ZIPP Service Course, 6061 3D-forged alloy, 31.8 mm, +/- 6 Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar ZIPP Service Course 70 Ergo, 31.8 mm Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork KSL full-carbon, 1 1/8" - 1 1/2" tapered steerer, FM Disc 12 mm TA Light Weight Carbon Fork, Straight 1-1/8"
Seatpost -- Entity Sport Alloy, 27.2 x 350mm
Crankset Shimano 105, 50/34T Prowheel Ounce-421C-TT-N 50/34T
Pedals -- Alloy Cage & Body w/ Reflector
Chain KMC X11 w/MissingLink, 11-speed KMC Z-8.3
Shifters Shimano 105 STI, 11-speed Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle Prologo K3, STN rails Entity, Steel Dia 7mm
Headset ACROS The Clamp integrated 1 1/8" top, 1 1/2" bottom Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front Shimano 105, braze-on Alloy QRx100mm 32H
Derailleur Rear Shimano 105, 11-speed Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Cassette Shimano 105, 11-28T, 11-speed Shimano CS-HG31 11-30T
Bottom Bracket Praxis PF30 Conversion 24 mm spindle Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front Vittoria Rubino Pro, 700 x 28c, folding Performance Tire 700C​
Rear Vittoria Rubino Pro, 700 x 28c, folding Performance Tire 700C​
Wheel / RIM Oval Concepts 524 DISC, 700c 24/28H rims Alloy Double Wall 622-15 32H
Brakes
Front -- TEKTRO R315 Caliper
Rear -- TEKTRO R315 Caliper
Brake Lever Shimano RS505 STI Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors Red Blue
Light Red


Physical Specs
Length -- --
Weight 8.68 kg --
Overview
Features -- --
Additional Details Sizes : 45cm , 48cm, 51cm, 54cm, 57cm --

Which one do you think is better? And why?
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