Hope RX4+ Caliper Complete – Flat Mount Std – DOT – BLACK – HBSPC71N

This caliper is designed for flatmount front and rear mounts, compatible with various SRAM brake systems and available in six colors.

• The description claims compatibility with Sram Red eTap AXS, Sram Red, Sram Force eTap AXS, Sram Force, Sram Rival, and Sram Apex.