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Nauman started running Di2 shifting with a Shimano XTR derailleur and now uses the Dura-Ace R9150 model. Amanda Nauman's 2018 DK200 Niner RLT 9 RDO. © Z. Schuster / Cyclocross Magazine

Nauman started running Di2 shifting with a Shimano XTR derailleur and now uses the Dura-Ace R9150 model. Amanda Nauman’s 2018 DK200 Niner RLT 9 RDO. © Z. Schuster / Cyclocross Magazine