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The Rada rolls on Stan's NoTubes ZTR Grail wheels with Maxxis Rambler tires in 700x40c size. 2017 Sea Otter Classic. © G. Kato / Cyclocross Magazine

The Rada rolls on Stan’s NoTubes ZTR Grail wheels with Maxxis Rambler tires in 700x40c size. 2017 Sea Otter Classic. © G. Kato / Cyclocross Magazine