I would just take it back. Feel lucky you got a response. It took 45 days and a nasty rant about their service to get the part I wanted to buy, not get free, but buy.
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Brian | 2023 Trek Domane SLR 7 AXS | 2023 Trek CheckPoint SL 7 AXS | 2016 Trek Emonda ALR | 2022 Trek FX Sport 5
you should learn to embrace change, and mock it's failings every step of the way.