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Continue to ChatSix ramps on the 52T ring guide your chain during up and down shifts https://cycletechreview.com/2016/cyclocross/absoluteblack-oval-chainrings-preview/attachment/dscn0256/
Six ramps on the 52T ring guide your chain during up and down shifts https://cycletechreview.com/2016/cyclocross/absoluteblack-oval-chainrings-preview/attachment/dscn0256/