- Key Features
- Weight: 17 lbs 12 oz complete (Size 54)
- 870-gram size 54 frame, with derailleur and water bottle mounting hardware
- Oversize tapered head tube and bottom bracket for precise handling and pedaling efficiency
- Pro-level performance at a fraction of the cost
- Shimano 105 components deliver affordable refinement
- Knight alloy wheels deliver speed and durability
- Internal cable routings reduce aerodynamic drag
- Zipp Service Course alloy bar and stem offer precision and strength
- Clearance for 28mm tires
Additional Features
SPEC | DETAIL |
---|---|
FRAME | VIATHON R.1 ROAD FRAME FULL CARBON |
FORK | VIATHON R.1 ROAD FORK FULL CARBON |
HEADSET | FSA |
REAR DERAILLEUR | SHIMANO 105 RD-R7000 |
FRONT DERAILLEUR | SHIMANO 105 FD-R7000 |
SHIFT/BRAKE LEVERS | SHIMANO 105 ST-R7020 |
ROTOR | SHIMANO SM-RT70 160MM |
BOTTOM BRACKET | ROTOR PRESS FIT 4624 |
CRANKSET | SHIMANO 105 FC-R7000 50-34T |
CASSETTE | SHIMANO 105 CS-R7000 11-28T |
CHAIN | SHIMANO CN-HG601-11 |
SPEC | DETAIL |
---|---|
FRONT AXLE | 12MM X 100MM QUICK RELEASE THRU-AXLE |
REAR AXLE | 12MM X 142MM QUICK RELEASE THRU-AXLE |
WHEELS | KNIGHT ALLOY 25MM DISC CLINCHER CENTER LOCK HUB |
TIRES | CONTINENTAL ULTRA SPORT II, 700 X 25 |
INNER TUBES | KENDA PRESTA |
HANDLE BAR | ZIPP SERVICE COURSE 70 |
BAR TAPE | FIZIK WHITE |
STEM | ZIPP SERVICE COURSE 110MM |
SEAT POST | ZIPP SERVICE COURSE 20MM OFFSET |
SADDLE | FIZIK ANTARES R5 143MM |
SPEC | DETAIL |
---|---|
FRAME | VIATHON R.1 ROAD FRAME |
FORK | VIATHON R.1 ROAD FORK |
HEADSET | FSA |
REAR DERAILLEUR | SHIMANO 105 RD-R7000 11-SPEED, TOP NORMAL SHADOW |
FRONT DERAILLEUR | SHIMANO 105 FD-R7000 DOWN-SWING, BRAZED-ON TYPE |
SHIFT/BRAKE LEVERS | SHIMANO 105 ST-R7020 DISC BRAKE |
ROTOR | SHIMANO SM-RT70, 160MM W/LOCK RING, BULK |
BOTTOM BRACKET | ROTOR PRESS FIT 30TO24 CONVERTER |
CRANKSET | SHIMANO 105 FC-R7000, HOLLOWTECH 2, 50-34T |
CASSETTE | SHIMANO 105 CS-R7000, 11-SPEED, 11-28T |
CHAIN | SHIMANO CN-HG601-11, 11-SPEED |
FRONT AXLE | SHIMANO E-THRU AXLE, 100X12MM |
REAR AXLE | SHIMANO E-THRU AXLE, 142X12MM |
WHEELS | KNIGHT ALLOY 25 DISC CLINCHER - IW 19.5MM, EW 27.5MM, DEPTH 25MM, CENTER LOCK DISC HUB |
TIRES | CONTINENTAL ULTRA SPORT II, 700 X 25 |
INNER TUBES | KENDA 23/25C |
HANDLE BAR | ZIPP SERVICE COURSE 70 ERGO |
BAR TAPE | FIZIK WHITE |
STEM | ZIPP SERVICE COURSE, 31.8MM, 6°, 110MM |
SEAT POST | ZIPP SERVICE COURSE, 20MM OFFSET, 27.2MM, 350MM |
SADDLE | FIZIK ANTARES R5 |
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Frame Size | 520 | 540 | 560 | 575 | 590 |
---|---|---|---|---|---|
Stack | 527 | 550 | 569 | 584 | 612 |
Reach | 380 | 386 | 391 | 397 | 408 |
HT | 124 | 146 | 164 | 178 | 211 |
Rear Center | 406 | 406 | 408 | 408 | 408 |
Front Center | 578 | 583 | 590 | 596 | 613 |
Wheelbase | 973 | 979 | 988 | 993 | 1012 |
BB drop | 72 | 72 | 72 | 72 | 67 |
ST angle | 73.7 | 73.4 | 73 | 73 | 72.4 |
HT angle | 72 | 72.8 | 73.2 | 73.7 | 74 |
TT (effective) | 534 | 550 | 565 | 576 | 602 |
ST (physical) | 520 | 540 | 560 | 575 | 590 |
Fork Offset | 43 | ||||
Wheel size | 700c | ||||
Fork length | 367 | ||||
Trail | 67.4 |















Component | Detail |
---|---|
Front Derailleur | No Compatability |
Seat Post | 31.6mm |
Seat Clamp | 36.4mm |
Eye to Eye length | 250mm |
Stroke | 75mm |
Fork Compatability | 203mm |
Max Tire Size | 2.5" |
Max Chainring Size | 36t |
Shock Mountain Bushing Front | 25x8 |
Shock Mountain Brushing Rear | 30x8 |
LIMITED WARRANTY
Two (2) years from the date of purchase for the original owner.
To ensure a long service life and good durability of your bike, only use it for its intended purpose, see Intended Use warning in your owner’s manual, and or on our website in the product information page. The manufacturer’s assembly instructions (especially the torque settings for bolts) and the prescribed maintenance intervals must be strictly followed as well.
This Warranty does NOT cover:
- Normal wear and tear
- Improper assembly
- Improper follow-up maintenance
- Installation of components, parts, or accessories not originally intended for or compatible with the bicycle as sold
- Damage or failure due to accident, misuse, abuse, or neglect
- Labor charges for part replacement or changeover
- Bikes used for commercial activities, including those in rental, demo, or security fleets
Crash Replacement:
In the event of an accident or severe crash we offer the original purchaser the opportunity to replace their damaged Viathon frame at a greatly reduced cost.
To make a claim:
Contact Viathon at Support@viathonbicycles.com to initiate a warranty claim. Proof of purchase is required.
Further limitations on the limited warranty
For further limitations and more information on our limited warranty, please visit out site here.