Mueller ran the new GRX GX817 Di2 rear derailleur at the DK200. Erica Mueller’s Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine
Mueller ran the new GRX GX817 Di2 rear derailleur at the DK200. Erica Mueller’s Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine
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