Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Dura-Ace -
Suspension Rigid -
Drivetrain 2 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
52cm
158cm - 170cm
54cm
168cm - 177cm
56cm
175cm - 185cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
VIATHON R.1 ROAD FRAME
Suspension Fork
VIATHON R.1 ROAD FORK
Drivetrain
Rear Derailleur
SHIMANO DURA-ACE RD-R9100, 11-SPEED, SHADOW
Front Derailleur
SHIMANO DURA-ACE FD-R9100, DOWN-SWING, BRAZED-ON TYPE
Shift Levers
SHIMANO DURA-ACE ST-R9120, DISC BRAKE
Cassette
SHIMANO DURA-ACE CS-R9100, 11-SPEED, 11-30
Crank
SHIMANO DURA-ACE FC-R9100, HOLLOWTECH2, 50-34T
Bottom Bracket
ROTOR PRESS FIT 30TO24 CONVERTER
Chain
SHIMANO CN-HG901, 11-SPEED
Wheels
Rims
HED VANQUISH 4GP CARBON DISC
Tires
CONTINENTAL GRAND PRIX 5000 TL 700 X 25 BLACK + BLACK CHILI
Brakes
Brake Levers
SHIMANO DURA-ACE ST-R9120, DISC BRAKE
Disk Rotors
SHIMANO SM-RT900, 160MM, W/LOCK RING
Cockpit
Stem
ZIPP SERVICE COURSE SL B1, 31.8MM, 6°, 110MM
Handlebar
ZIPP SL-70 ERGO CARBON
Headset
FSA
Seat
Saddle
FIZIK ANTARES R1
Seatpost
ZIPP SL CARBON B1, 0 OFFSET, 27.2MM, 330MM
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 52cm | 54cm | 56cm | 57.5cm | 59cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.39 mm | 1.42 mm | 1.45 mm | 1.47 mm | 1.5 mm |
| Bottom Bracket Height | 264 mm | 264 mm | 264 mm | 264 mm | 269 mm |
| Front Center | 578 mm | 583 mm | 590 mm | 596 mm | 613 mm |
| Rake | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
| Trail | 67.4 mm | 67.4 mm | 67.4 mm | 67.4 mm | 67.4 mm |
| Stack | 528 mm | 551 mm | 570 mm | 585 mm | 613 mm |
| Reach | 381 mm | 387 mm | 392 mm | 398 mm | 409 mm |
| Top Tube Length | 535 mm | 551 mm | 566 mm | 577 mm | 603 mm |
| Seat Tube Angle | 73.7 ° | 73.4 ° | 73 ° | 73 ° | 72.4 ° |
| Seat Tube Length | 520 mm | 540 mm | 560 mm | 575 mm | 590 mm |
| Head Tube Angle | 72 ° | 72.8 ° | 73.2 ° | 73.7 ° | 74 ° |
| Head Tube Length | 124 mm | 146 mm | 164 mm | 178 mm | 211 mm |
| Chainstay Length | 407 mm | 407 mm | 409 mm | 409 mm | 409 mm |
| Wheelbase | 974 mm | 980 mm | 989 mm | 994 mm | 1013 mm |
| Bottom Bracket Drop | 72 mm | 72 mm | 72 mm | 72 mm | 67 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 158 cm | 168 cm | 175 cm | cm | cm |
| Rider Max Height | 170 cm | 177 cm | 185 cm | cm | cm |
Model Overview
R.1 Dura-Ace completes the Viathon R1 model. 12 bikes variations carry this model name so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Viathon R.1 105 2021 is the cheapest bike model and costs 2198$. Viathon R.1 Red eTap AXS 2021 is the most expensive one and costs 6998$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Race bikes average price
If you want an acceptable Race bike you should know that the average price is 3350$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Race bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
When Viathon released this model in 2021, its price was 4998$. Comparing the average cost of a Race bike to this one, you will see that R.1 Dura-Ace price is 49.19% higher.
R.1 Dura-Ace components
Fork material
When it comes to the fork, this bike has a carbon one, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels size
When leaving the production line, the R.1 Dura-Ace model has 700c carbon wheels. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The R.1 Dura-Ace comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.