Road bikes are designed to go fast on the pavement. With less effort needed to move, you can ride farther and climb faster. The Argon 18 SUM Pro Ultegra Di2 Bike is a race-ready machine that will give you an aerodynamic advantage everywhere you ride. The SUM Pro features our most advanced layup and technologies to get you to the front of the group and keep you there, through the climbs, the corners, and the sprints. The carbon fiber frame and fork have clearance for up to 30c tires. The SUM Pro features internal cable routing, water bottle cage mounts, and draft-deflecting fork blades.
The Ultegra Di2 version of the Argon 18 SUM Pro comes with a Shimano Ultegra Di2 electronic drivetrain. With a 52/36T chainring combo up front and a 11-30T cassette on the rear, you'll be able to sprint, climb, and cruise at top speeds. Shimano Ultegra hydraulic disc brakes provide exceptional stopping power so you can slow down and stop under control. Zipp 303 S wheels are paired with Vittoria Corsa Cotton TLR tires that roll efficiently. With the Argon 18 SUM carbon seatpost, you'll have a smoother ride with fewer vibrations.
| Frame | Carbon Fiber |
|---|---|
| Fork | Carbon Fiber |
| Headset | FSA ACR NO.55R 1.5'' + 3D |
| Shifters | Shimano Ultegra Di2 R8170, 2x12-Speed |
| Front Derailleur | Shimano Ultegra Di2 R8150 |
| Rear Derailleur | Shimano Ultegra Di2 R8150 |
| Crankset | Ultegra R8100 |
| Bottom Bracket | Shimano SM-BB72 |
| Chain | Shimano Ultegra CN-M8100 12-Speed |
| Cassette | Shimano Ultegra CS-R8100, 11-30T |
| Brakes | Shimano Ultegra Di2 R8170, Ultegra RT-CL800 160/140mm |
| Wheelset | Zipp 303 S |
| Tires | Vittoria Corsa Cotton TLR 700x28mm |
| Handlebar | FSA SL-K Compact |
| Stem | FSA ACR ST-OS-160 |
| Grips/Bar Tape | Ciclovation Leather Touch Tornado Gloss |
| Seatpost | Argon 18 SUM Specific |
| Seatclamp | Bolt-Type |
| Saddle | Repente Prime |
| Intended Use | Road |
Note: Components are subject to change without notice.
| Size | XX-Small | Extra Small | Small | Medium | Large | Extra Large |
|---|---|---|---|---|---|---|
| A: Seat Tube Length | 395 | 425 | 460 | 505 | 550 | 595 |
| B: Effective Top Tube | 503 | 520 | 538 | 557 | 578 | 600 |
| C: Stack | 471 | 493 | 516 | 540 | 565 | 592 |
| D: Reach | 375 | 382 | 389 | 397 | 405 | 414 |
| E: BB Height | - | - | - | - | - | - |
| F: BB Drop | 69 | 73 | 77 | 77 | 77 | 77 |
| G: Head Tube Length | 69 | 85 | 101 | 126 | 152 | 180 |
| H: Head Tube Angle | 71.2 ° | 72.1 ° | 72.7 ° | 72.7 ° | 72.7 ° | 73 ° |
| I: Seat Tube Angle | 75 ° | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° |
| J: Standover Height | 675 | 700 | 727 | 766 | 804 | 841 |
| K: Chainstay Length | 410 | 410 | 410 | 410 | 410 | 410 |
| L: Wheelbase | 967 | 972 | 975 | 990 | 1006 | 1020 |
| Size | XX-Small | Extra Small | Small | Medium | Large | Extra Large |
|---|---|---|---|---|---|---|
| A: Seat Tube Length | 15.6 | 16.7 | 18.1 | 19.9 | 21.7 | 23.4 |
| B: Effective Top Tube | 19.8 | 20.5 | 21.2 | 21.9 | 22.8 | 23.6 |
| C: Stack | 18.5 | 19.4 | 20.3 | 21.3 | 22.2 | 23.3 |
| D: Reach | 14.8 | 15.0 | 15.3 | 15.6 | 15.9 | 16.3 |
| E: BB Height | - | - | - | - | - | - |
| F: BB Drop | 2.7 | 2.9 | 3.0 | 3.0 | 3.0 | 3.0 |
| G: Head Tube Length | 2.7 | 3.3 | 4.0 | 5.0 | 6.0 | 7.1 |
| H: Head Tube Angle | 71.2 ° | 72.1 ° | 72.7 ° | 72.7 ° | 72.7 ° | 73.0 ° |
| I: Seat Tube Angle | 75.0 ° | 74.5 ° | 74.0 ° | 73.5 ° | 73.0 ° | 72.5 ° |
| J: Standover Height | 26.6 | 27.6 | 28.6 | 30.2 | 31.7 | 33.1 |
| K: Chainstay Length | 16.1 | 16.1 | 16.1 | 16.1 | 16.1 | 16.1 |
| L: Wheelbase | 38.1 | 38.3 | 38.4 | 39.0 | 39.6 | 40.2 |
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to 