Jamis Portal C3 vs Viathon R.1 105

Compare Specifications of Jamis Portal C3 and Viathon R.1 105

Selected Bikes

Jamis Portal C3
Jamis Portal C3

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Viathon R.1 105
Viathon R.1 105

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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 FULL CARBON
Stem Race Face Aeffect R, 50mm extension, 35mm clamp diameter ZIPP SERVICE COURSE, 31.8 MM, 6°, 110 MM
Handle Bar Race Face Aeffect R, 780mm x 20mm rise, 35mm diameter ZIPP SERVICE COURSE 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 FULL CARBON
Seatpost Race Face Aeffect R Dropper, 1x remote ZIPP SERVICE COURSE, 27.2 MM, 350 MM
Grip Jamis Lock-On --
Crankset Race Face Aeffect, 32T SHIMANO 105 FC-R7000 50-34T
Chain KMC X12, 12-speed SHIMANO CN-HG601-11
Shifters Shift levers : Shimano SLX, 1x12-speed SHIMANO 105 ST-R7020
Saddle WTB Volt FIZIK ANTARES R5
Headset FSA Orbit IS Integrated, 8mm cone spacer --
Derailleur Front -- SHIMANO 105 FD-R7000
Derailleur Rear Shimano SLX, 12-speed SHIMANO 105 RD-R7000
Cassette Shimano M7100, 12-speed, 10-51T SHIMANO 105 CS-R7000 11-28T
Bottom Bracket Race Face BSA ROTOR PRESS FIT 4624
Tyres
Front Vittoria Martello 29 x 2.35", TNT tubeless CONTINENTAL ULTRA SPORT II, 700 X 25
Rear Vittoria Martello 29 x 2.35", TNT tubeless CONTINENTAL ULTRA SPORT II, 700 X 25
Wheel / RIM DT Swiss M1900 SPLINE 25 29" tubeless wheels, DT 370 hubs, DT Champion spokes MAVIC AKSIUM DISC CENTERLOCK
Brakes
Front Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors SHIMANO SM-RT70 160 MM
Rear Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors SHIMANO SM-RT70 160 MM
Brake Lever -- SHIMANO 105 ST-R7020
Suspension
Front -- --
Rear -- --
Colors Available
Colors Oxblood Copper
Silver


Physical Specs
Length -- --
Weight 13.4 kg --
Overview
Features -- - Shimano 105 components deliver affordable refinement
- Mavic Aksium wheels deliver speed and durability
- Internal cable routings reduce aerodynamic drag
- Zipp Service Course alloy bar and stem offer precision and strength
Additional Details Sizes : S (15.5), M (17), L (19), XL (21) Sizes : 52, 54, 56, 57.5, 59
Front Axle : 12MM X 100MM QUICK RELEASE THRU-AXLE
Rear Axle : 12MM X 142MM QUICK RELEASE THRU-AXLE
Inner Tubes : KENDA PRESTA
Bar Tape : FIZIK WHITE

Which one do you think is better? And why?
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