Christo Popov plays the Yonex ARCSABER 11 PRO. The racket is evenly balanced and has a stiff shaft – far less built around pure head-heaviness than many classic attacking rackets.
That fits Popov's game well. He doesn't live off attacking every shuttle with maximum power, but controls many rallies, varies the tempo and then accelerates at the right moment. The ARCSABER 11 PRO gives him a very direct, controlled feel for that.
There's no specific statement from Popov on exactly why he chose this model. The connection to his playing style is our own assessment.