The triathlon version of eTap comes with 4x "blips" that will clamp to bars or you can tape them in place. They don't fasten to bar-ends tho. For that, SRAM wants another $100 for their "clics". For $30 SRAM will sell you a couple "blip grips" that will let you put your blips "near" the bar ends, but I wanted them "on" the bar ends. I wanted "clics", I just didn't want to spend $100.

This article shows you the blips, blip grips, and clics. http://www.slowtwitch.com/..._SRAM_eTap_6161.html

So here's what I did.

Get yourself some bar plugs of the right diameter. For most tri bars, that's 22mm.

Blips have a concave underside. Use a dremel to remove material from the underside to make the surface less aggressively concave.

Use your favorite epoxy to glue the Blips to your bar ends. Do this w/o the bar ends installed so you don't glue the bar ends into your tri-bars.

Once this has hardened, install it and see how well your thumbs are triggering the switch. I found that the thumb had to dig kind of deep into the blip so it didn't work very well. In the pic you'll see that I glued a couple small plastic cylinders, these are hollow spacers and they prob came from Home Depot, in order to make it easy for my thumbs to apply the kind of (central/deep) pressure to the blips that they seemed to want.

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