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Our OB1 demo bike came with a wide-range SunRace 11-46t rear cassette. Thesis OB1 Do-It-All Carbon Bike. © C. Lee / Cyclocross Magazine

Our OB1 demo bike came with a wide-range SunRace 11-46t rear cassette. Thesis OB1 Do-It-All Carbon Bike. © C. Lee / Cyclocross Magazine