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The Shimano Disc Brake Adaptor (SMMAR160PD) is an essential component for cyclists looking to upgrade or repair their braking system, specifically designed to bridge the gap between post-type disc calipers and road flat-mount frames. It is ideal for riders transitioning their road or gravel bikes to higher-performance disc brakes, providing a secure and precise mount for 160 mm rotors; however, it is strictly intended for specific flat-mount frame configurations and will not work with standard IS or post-mount frames.
| Model Part Number | SMMAR160PD |
|---|---|
| Brand | Shimano |
No, the SMMAR160PD is specifically engineered for 160 mm rotors. Using it with a smaller rotor will result in improper pad contact.
No, this specific model (SMMAR160PD) is designed for flat-mount frames only. Please check our other listings for IS mount-compatible adapters.
Yes, the adapter typically comes with the necessary hardware to attach the adapter to the frame and the caliper to the adapter.
It is recommended to check your brake mounting hardware for proper torque during every major bike service or at least every 500 miles of riding.
This adapter is intended for specific flat-mount to post-mount applications. Ensure you verify the specific mounting location compatibility for your frame model.
Loosen the caliper bolts slightly, squeeze the brake lever firmly to center the caliper over the rotor, and then tighten the bolts back down to torque.
Verify that you are using the correct length bolts provided with the adapter; using bolts that are too short can lead to thread failure, while too long can damage the frame.
Installation requires a standard hex wrench set and, ideally, a torque wrench to ensure the mounting bolts meet Shimano's factory specifications. Always ensure the mounting surfaces on the frame are clean and free of debris before bolting the adapter in place. Regularly check the adapter bolts for tightness as part of your monthly maintenance schedule to prevent vibrations from loosening the hardware. Do not use the adapter if it shows signs of bending or thread damage.
