Cycling Tips – Can you Mismatch Groupsets? Posted on 29/11/2014 by Eric Thompson learn more [tubepress video=”I5qQIvttg9U” title=”false” length=”true” description=”true” descriptionLimit=”0″] Views: 0 See also Cycling-Inform Weekly Cycling Tips - Time Saving Training, Stretch or Not & Best Time to Eat Protein