• Yeah, but I'm climbing unknown gradient mountains and 15 days into the race I might not actually be able to push a standard double or 28/29T - that's what I'm worried about.

    52/36 rings would fit on my cranks but I wonder if it doesn't just make sense to buy a Compact and be done with it?

  • Totally personal. But in my opinion the campag 12-29 is a nicer spread than the Shimano 11-28. I'm not keen on the missing 16T on the Shimano. Its also kinda Nice that my training/climbing Wheels have 2 bigger cogs than my 11-25 crabon Wheels.

    12-13-14-15-16-17-19-21-23-26-29
    vs
    11-12-13-14-15-17-19-21-23-25-28

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