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:
[ Ссылка ]
Wolftooth Roadlink DM:
[ Ссылка ]
Shimano service documents for part number referencing:
[ Ссылка ]
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....
