 | Recommended |
|---|
MSRP | $3,299 | |
|---|---|---|
Where to Buy | — $1 At | |
Category | Gravel | |
| Carbon | ||
Fork | Carbon | |
Wheels | Carbon | |
Wheel Size | 650b | |
Brakes | Hydraulic Disc | |
Groupset | Rival | |
Drivetrain | 1 × 11 | |
Brand Site | ||
Summary | The Thesis The OB1 — 650b is a carbon frame gravel bike with upper mid-range components and hydraulic disc brakes. | |
Based on frame geometry and build specs.
Frame | Thesis OB1 Carbon | |
|---|---|---|
Fork | Thesis OB1 Carbon with SteerSafe | |
Bottom Bracket | Thesis 2-Piece Aluminum Interlocking | |
Headset | Thesis Oversized Integrated | |
Stem | Thesis Ultralight | |
Handlebar | Thesis Compact Ergo Flare | |
Saddle | Thesis Endurance 148 Saddle | |
Seatpost | Thesis Ultralight 3D Forged ⸱ 1-piece 3D forged 2014-T6 aluminum quill ⸱ Micro-adjustable 2-bolt clamp ⸱ Broadly supportive lower clamp ⸱ 0 offset to match OB1's 73° seattube angle ⸱ 230g |
Rear Derailleur | SRAM Rival 1 Long Cage Clutched | |
|---|---|---|
Crank | Thesis Narrow-Wide Direct Mount Single | |
Shifters | SRAM Rival 22 Hydraulic | |
Cassette | SunRace Ultra Wide Range, e*thirteen TRS Plus, SRAM XG-1150 | |
Chain | SRAM PC1110 with Quick Link | |
Brakes | SRAM Rival 22 Hydraulic |
Rims | Thesis Ultra-Wide Carbon 650B ⸱ 650B | 27.4mm internal | 33mm wide | 24.5mm deep ⸱ Optimized for 47mm+ tires ⸱ Tubeless-ready hookless design, also compatible with standard tubed tires ⸱ 3mm offset, angle drilling, & reinforced nipple seat ⸱ Toray 700/800 construction ⸱ 370g +/- 5% | |
|---|---|---|
Spokes | Pillar PSR X-TRA 1420 Cold-Forged Bladed | |
Front Hub | DT Swiss DT350 | |
Rear Hub | DT Swiss DT350 | |
Tires | WTB 650B Venture ⸱ WTB Venture 650B x 47mm (555g) ⸱ Supple tanwall casings ⸱ Tubeless | |
Disc Rotors | SRAM Centerline Centerlock 160mm |