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Feb. 24, 2023, 9:35 a.m. -  ShawMac

I am suddenly confused and excited at the same time. I am a diehard 11 speed fan and last year invested in the Deore M5100 11 speed derailleur and shifter. How does this new system compare and does this leave me invested in an obsolete system? Once my Sunrace cassette wears out, I was planning on a Deore 5100 11-51T. Will the new LG cassette work? Will it shift like shit? If the chains are not specific, what is it about the derailleur and cassette that make them specific to each other and not backwards compatible to the HyperGlide cassettes and derailleurs? Just not taking advantage of the performance benefits?  Should I be reinvesting in a whole new LG system when it comes time for the new cassette or sticking with the Derore 5100?

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