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Chainring clearance is one of the subtle and sometimes hidden customizations that Jacobs has specified though his close relationship with Thesis frame factory.. Thesis OB1 Do-It-All Carbon Bike. © C. Lee / Cyclocross Magazine

Chainring clearance is one of the subtle and sometimes hidden customizations that Jacobs has specified through his close relationship with Thesis frame factor. Thesis OB1 Do-It-All Carbon Bike. © C. Lee / Cyclocross Magazine