XO 2x10 mileage

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  • 09-19-2012
    Dave W53
    XO 2x10 mileage
    After 1,200 miles, shifting from the small to large chainring is poor. The ramp lifting pins on the big ring seem worn out. Seems like they should last longer than 1,200 miles. I never had to change out the large ring on my old XT drive. Are the ramp pins replacable? Is this normal wear in what I think is a short number of miles? Are there aftermarket chainrings that might last longer?