If I understand you correctly, the described width will be the same as the origin of the category axis or the primary value axis which can be found with the axis slot
method - example
Telerik by Progress
Build rich, delightful, *native* Angular 2 apps with Kendo UI for Angular 2
. Try it out today
! Kendo UI for Angular 2 (currently in beta) is a jQuery-free toolset, written in TypeScript, designed from the ground up to offer true, native Angular 2 components.