Vision trimax mexo n 11 cranksetthis hollow carbon crankset is the newly re designed model for the trimax family the hollow carbon arms and the al7075 cnc chainrings allow minimal weightcombined with maximum performance it features a strong 7075 aluminium spindle to suit megaexo bottom brackets the chainrings are 7075 too ensuring low weight and good wear characteristics features hollow carbon arms with ud weave forged al7050 megaexo spindle al7075 cnc chainrings al7075 torx t 30 alloy cha