The SRAM Apex1 Shift/Brake Lever 11-Speed Rear, Multicoloured, One Size and the SRAM Rival 1 Brake Lever Single Left the duo you don't want to be without for 11 speed shifting.
Right shifter/brake lever https://amzn.to/3aV2cml
Left brake lever https://amzn.to/2EnRLMj
As an Amazon Associate I earn from qualifying purchases.