The OB1
The Thesis OB1 is a carbon all-road gravel bike made for perfect asphalt to rocky trails and everything in between. It's fast, versatile, brilliantly equipped, and built to last.
Combine that with our factory-direct pricing, and you’ll understand why it’s been called “unbeatable”.
| The OB1 | The OB1 AXS 1x | |
| Starting Price | $3,299 | $4,999 |
| The Gist | Our legendary original OB1, with 1x11 mechanical shifting. | The best of the original OB1, with 1x12 electronic shifting. |
| Wheels |
|
|
| Dropper Post (+$149) | Slickly actuated by front shifter | Actuated by separate lever under left hood |
| Shifters & Brakes | SRAM Rival 22 Hydraulic | SRAM Force AXS HRD Electronic/Hydraulic |
| Rear Derailleur | SRAM Rival 1 Long Cage Clutched | SRAM X01 AXS Eagle 12spd Electronic |
| Front Derailleur | -- | -- |
| Cassette |
|
|
| Chainring |
|
|
| Chain | SRAM PC1110 with quick link | SRAM GX Eagle with quick link |
| Rotors | SRAM Centerline Centerlock 160mm | SRAM Centerline XR Centerlock 160mm |
| Crank |
Thesis Hollow-Forged AL:
|
SRAM Force Carbon:
|
Questions? Don't hesitate to reach out.
Have a question on fit? Need help choosing the right build kit or configuration for how you ride? Let us help. We'll treat you like a friend and help you find the best bike for your needs, regardless of who makes it.
To get started, drop us a note at hello@thesis.bike.
Email Us