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Stack and reach

Some tubes use estimated defaults where OEM values were missing.

Measurement	ThesisOB1 2019	ThesisOB1 2018
Stackmm	576	576
Reachmm	394	394
Head tube angle°	71.5	71.5
Seat tube angle°	73.5	73.5
Chainstaymm	425	425
Wheelbasemm	1040	1040
BB dropmm	73	73
BB heightmm	—	—
Standovermm	—	—

Relaxed/Aggressiveness

Add a close match

Trek Checkpoint SL 2022Near Thesis OB1 · XS · 535 mm / 380 mmAdd to this compare
Trek Checkpoint SL 2023Near Thesis OB1 · XS · 535 mm / 380 mmAdd to this compare
Trek Checkpoint SL 2024Near Thesis OB1 · XS · 535 mm / 380 mmAdd to this compare

Cockpit for the selected size

Part	OB1 M	OB1 M
Stem	100 mm	100 mm
Bar	420 mm	420 mm
Crank	172.5 mm	172.5 mm

Reviews

Thesis OB1

Thesis OB1 long-term review: Good performance, lots of ...Velo · 2019
The Thesis OB1 is not an incredible bike when judged by the usual performance metrics. Instead, it's a very good bike that offers its buyers ...

Thesis OB1

A Visit to Thesis Bike and OB1 First Ride ImpressionsGravelstoke · 2018
The Thesis OB1 is available in 3 colorways, Black Carbon Matte, Warm Red Gloss and Electric Blue Gloss.