Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2025 Thesis

The OB1 AXS Custom

A carbon frame gravel bike with high-end components and sram rival hydraulic disc brakes.

FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain1 × 12 Electronic
GroupsetGX Eagle AXS, Force
BrakesSRAM Rival Hydraulic Disc
View on thesis.bikeLearn about Thesis
Where to Buy
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
The OB1 AXS Custom
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 mph

The OB1 AXS Custom

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'0" – 5'5"

SM

5'4" – 5'8"

MD

5'5" – 5'11"

LG

5'10" – 6'3"

XL

6'0" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

Thesis OB1 Carbon

BB StandardBB86/BB92, Press Fit

Fork

Thesis OB1 Carbon with SteerSafe

Bottom Bracket

Wheels Manufacturing Thread-Together BB386EVO

Headset

Thesis Oversized Integrated

Stem

Thesis Ultralight

Handlebar

Thesis Compact Ergo Flare

Saddle

Thesis Endurance 148 Saddle

Seatpost

Thesis Ultralight 3D Forged

TypeRigid

Groupset
Rear Derailleur

SRAM GX AXS Eagle 12spd Electronic

Crank

Thesis Narrow-Wide Direct Mount Single, SRAM Force AXS 42T

Shifters

SRAM Rival AXS HRD Electronic/Hydraulic

Cassette

SRAM Eagle XG-1275, e*thirteen Helix R

Chain

SRAM GX Eagle Powerlink 12spd

Brakes

SRAM Rival AXS HRD Electronic/Hydraulic

TypeSRAM Rival Hydraulic Disc

Wheels
Rims

Lōgōs Epoché 700C

Spokes

Pillar Wing 20

Front Hub

DT Swiss DT350 Centerlock 24H Straight-Pull

Rear Hub

DT Swiss DT350 Centerlock 24H Straight-Pull

Tires

WTB Exposure 30 Road

Disc Rotors

SRAM Centerline Centerlock 160mm

Rider Notes
Riders Also Viewed

First added October 25

Last updated May 30