Shimano Post Mount disc brake adapters provide precise, secure alignment between your caliper and rotor when changing rotor sizes or matching different frame/fork standards. Built from durable, lightweight alloy, each adapter ensures consistent braking performance and proper caliper spacing on MTB, hybrid, gravel, and e‑bike setups. Compatible with Shimano hydraulic and mechanical Post Mount calipers, these adapters support a wide range of rotor sizes and mounting configurations. Each unit includes the required hardware for clean, reliable installation. For Post Mount calipers For Post Mount frames/forks (or IS/PM depending on variant) Supports multiple rotor sizes (varies by model: 160–203 mm) CNC‑machined alloy construction Includes mounting hardware Works with Shimano hydraulic & mechanical disc brakes Ideal for MTB, hybrid, gravel, and e‑bike applications Multiple front/rear‑specific versions available Lightweight, durable, corrosion‑resistant design
