Jamis Portal C3 vs Viathon R.1 Ultegra

Compare Specifications of Jamis Portal C3 and Viathon R.1 Ultegra

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Jamis Portal C3
Jamis Portal C3

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Viathon R.1 Ultegra
Viathon R.1 Ultegra

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Technical Specifications
Frame Dyad Pro High Modulus Carbon Fiber, 130mm travel 3VO suspension, Enduro® Max sealed bearing pivots, 1.5 - 1 1/8” tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Fox Float DPS Performance Series EVOL shock w/3-position compression, 10mm hardware, replaceable derailleur hanger VIATHON R.1 ROAD FRAME
Stem Race Face Aeffect R, 50mm extension, 35mm clamp diameter ZIPP SERVICE COURSE SL B1, 31.8 MM, 6°, 110 MM
Handle Bar Race Face Aeffect R, 780mm x 20mm rise, 35mm diameter FIZIK SERVICE COURSE SL-70 ERGO
Fork Fox Rhythm 34 Float 29" w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel VIATHON R.1 ROAD FORK
Seatpost Race Face Aeffect R Dropper, 1x remote ZIPP SERVICE COURSE SL B1, 0 OFFSET, 27.2 MM, 330 MM
Grip Jamis Lock-On --
Crankset Race Face Aeffect, 32T SHIMANO ULTEGRA FC-R8000, HOLLOWTECH 2, 50-34T
Chain KMC X12, 12-speed SHIMANO CN-HG701-11, 11-SPEED
Shifters Shift levers : Shimano SLX, 1x12-speed SHIMANO ULTEGRA ST-R8020, DISC BRAKE
Saddle WTB Volt FIZIK ANTARES R3
Headset FSA Orbit IS Integrated, 8mm cone spacer --
Derailleur Front -- SHIMANO ULTEGRA FD-R8000, DOWN-SWING, BRAZED-ON TYPE
Derailleur Rear Shimano SLX, 12-speed SHIMANO ULTEGRA RD-R8000, 11-SPEED, SHADOW
Cassette Shimano M7100, 12-speed, 10-51T SHIMANO ULTEGRA CS-R8000, 11-SPEED, 11-30
Bottom Bracket Race Face BSA ROTOR PRESS FIT 30TO24 CONVERTER
Tyres
Front Vittoria Martello 29 x 2.35", TNT tubeless CONTINENTAL GRAND PRIX 5000 S, 700 X 25, BLACK + BLACK CHILI
Rear Vittoria Martello 29 x 2.35", TNT tubeless CONTINENTAL GRAND PRIX 5000 S, 700 X 25, BLACK + BLACK CHILI
Wheel / RIM DT Swiss M1900 SPLINE 25 29" tubeless wheels, DT 370 hubs, DT Champion spokes MERCURY S3C CARBON DISC
Brakes
Front Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors SHIMANO SM-RT800, 160 MM, W/LOCK RING
Rear Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors SHIMANO SM-RT800, 160 MM, W/LOCK RING
Brake Lever -- SHIMANO ULTEGRA ST-R8020, DISC BRAKE
Suspension
Front -- --
Rear -- --
Colors Available
Colors Oxblood Copper
Silver


Physical Specs
Length -- --
Weight 13.4 kg --
Overview
Features -- - Shimano Ultegra for shifting speed and accuracy
- Mercury S3C carbon wheels for explosive speed and a crisp road feel
- Internal cable routings reduce aerodynamic drag
- Zipp Service Course SL cockpit for steering precision and comfort
Additional Details Sizes : S (15.5), M (17), L (19), XL (21) Sizes : 52, 54, 56, 57.5, 59
Front Axle : SHIMANO E-THRU AXLE 100 x 12MM
Rear Axle : SHIMANO E-THRU AXLE 142 x 12MM
Inner Tubes : KENDA 23/25C
Bar Tape : FIZIK WHITE

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