You normally want to use different force front and back. But there are brakes designed for bike polo and the single-handed: https://bikerumor.com/2019/11/15/pau

You normally want to use different force front and back. But there are brakes designed for bike polo and the single-handed: https://bikerumor.com/2019/11/15/paul-pulls-both-brakes-with-the-return-of-the-duplex-double-brake-lever/ https://bikerumor.com/2019/11/15/paul-pulls-both-brakes-with...