Now that seau grateau did your research for you and you (hopefully) figured out that the 23.8mm version will fit the bar you plan to purchase, here's a bit of advice for you if you don't mind?

Don't do it!

Yeah, the E-lever is very cool-looking & light. I fell for it myself and had to have one. But speaking from experience, I can tell you that it is quite uncomfortable to use due to its squared-off edges and worse is the fact that it is not very effective at all, it lacks pulling power.

You should give some consideration to any of the myriad of cross-top/interrupter levers available...