Compare: 2020 Thesis The OB1 — 700 vs The OB1 — 650b vs The OB1 AXS 1x — 700 vs The OB1 AXS 1x — 650b vs The OB1 AXS 2x — 700 vs The OB1 AXS 2x

Overview
Ride Feel
Gearing
Spec Level
Geometry
Specs

Bike Comparison

Only show differences

	The OB1 — 7002020 Thesis	The OB1 — 650b2020 Thesis	The OB1 AXS 1x — 7002020 Thesis	The OB1 AXS 1x — 650b2020 Thesis	The OB1 AXS 2x — 7002020 Thesis	The OB1 AXS 2x — 650b2020 Thesis

MSRP	$3,299	$3,299	$4,999	$4,999	$5,199	$5,199
Where to Buy	— $1 At	— $1 At	— $1 At	— $1 At	— $1 At	— $1 At
Category	Gravel	Gravel	Gravel	Gravel	Gravel	Gravel
	5.4	5.4	8.6	8.6	8.3	7.7
Frame	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon
Fork	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon
Wheels	Carbon	Carbon	Carbon	Carbon	Carbon	Aluminum
Wheel Size	700c	650b	700c	650b	700c	650b
Brakes	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc
Groupset	Rival	Rival	X01 Eagle AXS, Force eTap	X01 Eagle AXS, Force eTap	Force eTap, SRAM	Force eTap, SRAM
Drivetrain	1 × 11	1 × 11	1 × 12 Electronic	1 × 12 Electronic	2 × 12 Electronic	2 × 12 Electronic
Brand Site	thesis.bike	thesis.bike	thesis.bike	thesis.bike	thesis.bike	thesis.bike

Similar Bikes

Accessories

Ride Feel

Based on frame geometry and build specs.

Rider Position

relaxedaggressive

Terrain

smoothrugged

The OB1 — 700

The OB1 — 650b

The OB1 AXS 1x — 700

The OB1 AXS 1x — 650b

The OB1 AXS 2x — 700

The OB1 AXS 2x — 650b

Other Gravel bikes

Gear Range

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)

38 mph

The OB1 AXS 1x — 700

36 mph

The OB1 AXS 1x — 650b

40 mph

The OB1 AXS 2x — 700

38 mph

The OB1 AXS 2x — 650b

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry

Specs

	The OB1 — 7002020 Thesis	The OB1 — 650b2020 Thesis	The OB1 AXS 1x — 7002020 Thesis	The OB1 AXS 1x — 650b2020 Thesis	The OB1 AXS 2x — 7002020 Thesis	The OB1 AXS 2x — 650b2020 Thesis

Frame	Thesis OB1 Carbon	Thesis OB1 Carbon	Thesis OB1 Carbon	Thesis OB1 Carbon	Thesis OB1 Carbon	Thesis OB1 Carbon
Fork	Thesis OB1 Carbon with SteerSafe	Thesis OB1 Carbon with SteerSafe	Thesis OB1 Carbon with SteerSafe	Thesis OB1 Carbon with SteerSafe	Thesis OB1 Carbon with SteerSafe	Thesis OB1 Carbon with SteerSafe
Bottom Bracket	Thesis 2-Piece Aluminum Interlocking	Thesis 2-Piece Aluminum Interlocking	Thesis 2-Piece Aluminum Interlocking	Thesis 2-Piece Aluminum Interlocking	Thesis 2-Piece Aluminum Interlocking	Thesis 2-Piece Aluminum Interlocking
Headset	Thesis Oversized Integrated	Thesis Oversized Integrated	Thesis Oversized Integrated	Thesis Oversized Integrated	Thesis Oversized Integrated	Thesis Oversized Integrated
Stem	Thesis Ultralight	Thesis Ultralight	Thesis Ultralight	Thesis Ultralight	Thesis Ultralight	Thesis Ultralight
Handlebar	Thesis Compact Ergo Flare	Thesis Compact Ergo Flare	Thesis Compact Ergo Flare	Thesis Compact Ergo Flare	Thesis Compact Ergo Flare	Thesis Compact Ergo Flare
Saddle	Thesis Endurance 148 Saddle	Thesis Endurance 148 Saddle	Thesis Endurance 148 Saddle	Thesis Endurance 148 Saddle	Thesis Endurance 148 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	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	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	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	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	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

Groupset

Rear Derailleur	SRAM Rival 1 Long Cage Clutched	SRAM Rival 1 Long Cage Clutched	SRAM X01 AXS Eagle 12spd Electronic	SRAM X01 AXS Eagle 12spd Electronic	SRAM Force AXS 12spd Electronic	SRAM Force AXS 12spd Electronic
Front Derailleur					SRAM Force eTap AXS Electronic	SRAM Force eTap AXS Electronic
Crank	Thesis Narrow-Wide Direct Mount Single	Thesis Narrow-Wide Direct Mount Single	SRAM Force AXS 44T	SRAM Force AXS 44T	SRAM 46/33T	SRAM 46/33T
Shifters	SRAM Rival 22 Hydraulic	SRAM Rival 22 Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic
Cassette	SunRace Ultra Wide Range, e*thirteen TRS Plus, SRAM XG-1150	SunRace Ultra Wide Range, e*thirteen TRS Plus, SRAM XG-1150	SRAM Eagle XG-1295 10-50T 12spd	SRAM Eagle XG-1295 10-50T 12spd	SRAM Force XG-1270 10-33T 12spd	SRAM Force XG-1270 10-33T 12spd
Chain	SRAM PC1110 with Quick Link	SRAM PC1110 with Quick Link	SRAM GX Eagle Powerlink 12spd	SRAM GX Eagle Powerlink 12spd	SRAM Force AXS	SRAM Force AXS
Brakes	SRAM Rival 22 Hydraulic	SRAM Rival 22 Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic	SRAM Force AXS HRD Electronic/Hydraulic

Wheels

Rims	Thesis U/V Aero-Wide Carbon 700C	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%	Thesis U/V Aero-Wide Carbon 700C	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%	THESIS U/V Aero-Wide Carbon 700C	Hand-Built
Spokes	Pillar PSR X-TRA 1420 Cold-Forged Bladed	Pillar PSR X-TRA 1420 Cold-Forged Bladed	Pillar PSR X-TRA 1420 Cold-Forged Bladed	Pillar PSR X-TRA 1420 Cold-Forged Bladed	Pillar PSR X-TRA 1420 Cold-Forged Bladed	Pillar PSR X-TRA 1420 Cold-Forged Bladed
Front Hub	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350
Rear Hub	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350	DT Swiss DT350
Tires	WTB Exposure 30 Road ⸱ 700c x 30mm ⸱ Supple tubeless-ready casing ⸱ Slick dual compound tread for efficiency and durability ⸱ 335g	WTB 650B Venture ⸱ WTB Venture 650B x 47mm (555g) ⸱ Supple tanwall casings ⸱ Tubeless	WTB Exposure 30 Road ⸱ 700c x 30mm ⸱ Supple tubeless-ready casing ⸱ Slick dual compound tread for efficiency and durability ⸱ 335g	WTB 650B Venture ⸱ WTB Venture 650B x 47mm (555g) ⸱ Supple tanwall casings ⸱ Tubeless	WTB Exposure 30 Road
Disc Rotors	SRAM Centerline Centerlock 160mm	SRAM Centerline Centerlock 160mm	SRAM Centerline XR Centerlock 160mm	SRAM Centerline XR Centerlock 160mm	SRAM Centerline XR Centerlock 160mm	SRAM Centerline XR Centerlock 160mm

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