AM/DH Crank SaleMay 29, 2015 by Vin Q AM/DH Crank Summer Sale! Purchase a pair of AM/DH cranks and receive a free direct mount, standard tooth chainring. Available chainring sizes are 28t, 30t, 32t, 36t and 38t. Offer valid through our webstore, until August 31st 2015. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *CommentName * Email * Website Save my name, email, and website in this browser for the next time I comment.