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Ritchey parts dot the tandem, including this WCS 4-Axis stem. Dori and Andrew Coetzee's Ritchey Double Switchback Break Away Tandem. © Z. Schuster

Ritchey parts dot the tandem, including this WCS 4-Axis stem. Dori and Andrew Coetzee’s Ritchey Double Switchback Break Away Tandem. © Z. Schuster