Biria 700C Diamond 3 speed vs Viathon R.1 Dura-Ace

Compare Specifications of Biria 700C Diamond 3 speed and Viathon R.1 Dura-Ace

Selected Bikes

Biria 700C Diamond 3 speed
Biria 700C Diamond 3 speed

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Viathon R.1 Dura-Ace
Viathon R.1 Dura-Ace

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Technical Specifications
Frame Hi-Ten Steel with Chromoly Seat Tube VIATHON R.1 ROAD FRAME
Stem Aluminum ZIPP SERVICE COURSE SL B1, 31.8MM, 6°, 110 MM
Handle Bar Aluminum ZIPP SL-70 ERGO CARBON
Fork Steel Unicrown VIATHON R.1 ROAD FORK
Seatpost -- ZIPP SL CARBON B1, 0 OFFSET, 27.2 MM, 330 MM
Crankset -- SHIMANO DURA-ACE FC-R9100, HOLLOWTECH2, 50-34T
Chain -- SHIMANO CN-HG901, 11-SPEED
Shifters -- SHIMANO DURA-ACE ST-R9120, DISC BRAKE
Saddle -- FIZIK ANTARES R1
Derailleur Front -- SHIMANO DURA-ACE FD-R9100, DOWN-SWING, BRAZED-ON TYPE
Derailleur Rear -- SHIMANO DURA-ACE RD-R9100, 11-SPEED, SHADOW
Cassette -- SHIMANO DURA-ACE CS-R9100, 11-SPEED, 11-30
Bottom Bracket -- ROTOR PRESS FIT 30TO24 CONVERTER
Tyres
Front 700 x 32C CONTINENTAL GRAND PRIX 5000 TL 700 X 25 BLACK + BLACK CHILI
Rear 700 x 32C CONTINENTAL GRAND PRIX 5000 TL 700 X 25 BLACK + BLACK CHILI
Wheel / RIM Rims : Double wall aluminum, black with CNC wall HED VANQUISH 4GP CARBON DISC
Brakes
Front Aluminum V-brake SHIMANO SM-RT900, 160 MM, W/LOCK RING
Rear Aluminum V-brake SHIMANO SM-RT900, 160 MM, W/LOCK RING
Brake Lever -- SHIMANO DURA-ACE ST-R9120, DISC BRAKE
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black
Grey
Cream
Copper
Silver


Physical Specs
Length -- --
Overview
Features -- - Shimano Dura-Ace, the benchmark in shifting speed and accuracy
- HED Vanquish 4GP carbon wheels for winning aerodynamics
- Internal cable routings reduce aerodynamic drag
- Zipp SL carbon handlebar for steering precision and seatpost for comfort
Additional Details Gear : Shimano 3-Speed Nexus
Size : 54 cm (21")
Package Dimensions : 45 lbs, 54 x 8 x 28 inches
Sizes : 52, 54, 56, 57.5, 59
Front Axle : SHIMANO E-THRU AXLE 100X12MM
Rear Axle : SHIMANO E-THRU AXLE 142X12MM
Inner Tubes : KENDA 23/25C
Bar Tape : FIZIK WHITE
Accessories Front and rear racks
Fenders
Kickstand
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Which one do you think is better? And why?
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