Shimano GRX RD-RX400 RD w/ 11-42 cassette
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Fwiw, Shimano Deore RD-M6000-GS, 10sp works like a charm with up to 11-46T cog set in 1x mode, though rated to only 42T max cog.

20" (406) wheel
The 11sp XT RD-M8000-GS and SLX RD-M7000-GS parts are both rated up to 46T max cog. They may be (???) less expensive than the GRX parts too.

XT RD-M8000-GS

20" (406) wheel
The 11sp XT RD-M8000-GS and SLX RD-M7000-GS parts are both rated up to 46T max cog. They may be (???) less expensive than the GRX parts too.

XT RD-M8000-GS
Last edited by Ron Damon; 08-13-24 at 03:42 AM.




