1x GRX 12speed Di2 Experiments
When Shimano finally released the Di2 12speed GRX, a proper 1x variant was missing. That doesn't mean we can make our own solutions. This time I wanted 1x with either 42 or 44 in the front with Shimano's XT 10-45 in the back, almost a 10 tooth "out of spec" cassette. But it does kind of work! Mentioned parts: (links for convenience, no affiliation!) Shimano RD-RX825 Rear derailleur: https://r2-bike.com/SHIMANO-GRX-Di2-R... Wolftooth Roadlink DM: https://www.wolftoothcomponents.com/p... Shimano service documents for part number referencing: https://si.shimano.com/en/ Chapters: 0:00 Introduction 1:22 1x GRX 12speed what works 5:33 Outside testing 11:38 Offset cage modification experiments (failed) 13:33 Breaking the derailleur 16:13 Relaaaax 2x still works fine....
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