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  • Looking into 1x11 for a new build and I've been reading up on GRX RX810. It looks good, but wanted to find out what people were running and to get some feedback before I buy.

    Also, I want to keep my current wheel set, a pair of XR31T's built onto Hope RS4 Centrelock disc hubs. Will I have any issues running something like 11-42 on those?

    Thanks

  • 11-42 should work on those wheels no problem, the shimano cassettes that size run with a spacer on the spoke side of the cassette. Sram ones which are splined will just go on as is.

  • If you want to run 1x there isn't a lot of choice. I run SRAM Apex 1 just because it came on the bike and still not fell apart and I hate the big swoop shifting action in Shimano. GRX 810 seems like a solid choice, but if you do lots of road miles 1x could feel limiting.

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