Jamis Ventura A1 vs Polygon Strattos S2

Compare Specifications of Jamis Ventura A1 and Polygon Strattos S2

Selected Bikes

Jamis Ventura A1
Jamis Ventura A1

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Polygon Strattos S2
Polygon Strattos S2

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Technical Specifications
Frame Size Specific Design double-butted 6061 aluminum compact sloping top tube frame design with with redesigned rear triangle, SST tubing diameters and internal cable guides, 1 1.5 - 1 1/8” tapered head tube, butted seat tube for 27.2 seat post, flat mount disc brake mount, replaceable derailleur hanger and fender/rack eyelets ALX All-Round, QRx130mm
Stem Ritchey 4-Axis, 3D forged 6061 alloy, 6˚ x 90mm (48/51), 100mm (54/56), 120mm (58/61) Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar Ritchey Logic, 6061 aluminum, 31.8 x 400mm (48/51) 420mm (54/56), 440mm (58/61) Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork Jamis Performance ECO carbon composite with carbon steerer, 1.5” hollow formed crown, monocoque one-piece forming technology, carbon dropouts with stainless tabs, flat mount disc brake mount with internal cable routing, exposed fender eyelets Light Weight Carbon Fork, Straight 1-1/8"
Seatpost Ritchey Road, 27.2 x 350mm with alloy clamp Entity Sport Alloy, 27.2 x 350mm
Crankset FSA Vero, 50/34T, 170mm (48/51), 172.5mm (54/56), 175mm (58/61) Prowheel Ounce-421C-TT-N 50/34T
Pedals Touring platform style, full alloy with toe clips Alloy Cage & Body w/ Reflector
Chain KMC Z9 KMC Z-8.3
Shifters Shiftlevers : Shimano Sora ST-R3000 Dual Control STI, 18-speed Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle Selle Royal Asphalt with integrated clip system Entity, Steel Dia 7mm
Headset FSA Integrated, threadless, 1.5 - 1 1/8” Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front Sora FD-R3000 with 31.8mm alloy clamp Alloy QRx100mm 32H
Derailleur Rear Shimano Sora RD-R3000 Shimano Claris RD-R2000-SS Direct Attach
Alloy QRx130mm 32H
Cassette Shimano HG201 9-speed, 11-32T Shimano CS-HG31 11-30T
Bottom Bracket FSA sealed cartridge, 68 x 110.5mm Prowheel BSA Threaded FOR 2-Piece Crankset
Tyres
Front Vittoria Zaffiro, 700 x 28c Performance Tire 700C​
Rear Vittoria Zaffiro, 700 x 28c Performance Tire 700C​
Wheel / RIM Alex ATD 470 disc specific rims with TCS (Tubeless Compatible System), 32H, Joytec 6-bolt alloy hubs with QR and 14g stainless steel spokes Alloy Double Wall 622-15 32H
Brakes
Front Tektro Lyra mechanical disc brake TEKTRO R315 Caliper
Rear Tektro Lyra mechanical disc brakes TEKTRO R315 Caliper
Brake Lever Shimano Sora ST-R3000 STI levers Shimano Claris ST-R2000
Suspension
Front -- --
Rear -- --
Colors Available
Colors Ink Blue
Light Red


Physical Specs
Length -- --
Overview
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Additional Details Tape : Jamis suede tape with gel
Sizes : 48, 51, 54, 56, 58, 61cm
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Which one do you think is better? And why?
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