As I happened to change bikes this time,
I bought an aero mount for the first time, something I've been thinking about since before.
Because of the price, I couldn't buy it for my previous bike,
but as I switched to an aero frame from Y1RS, I invested in it...for a spoonful of aero.
First of all, the handlebars fit perfectly like a custom fit, and the way you turn it around and fix it means there's no worry about it falling off,
and the anti-theft string, as well as the rubber cover, can be removed (?), which also...reduces weight....and I'm satisfied.
Since the Y1RS genuine water bottle cage is on the heavier side, they happened to release a battery holder, so
I bought it together. I also ordered a bar end cap separately with the same logo, and I'm happy with the little bit of weight reduction and emotional spoonful.