I am wondering if my HED race wheels(I have both HED3 rear and HED Disc) that I have on my Shimano 9spd drivetrain are going to be compatible w/ my new DA 10spd drivetrain? Will they accept a 10spd cassette *or* do they need modification?
Thanks
HC

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Holden Cain, ObGyn..."People pulling people out of people"