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Merlin Cycles£6.50Visit shop Magura Black Disc Brake Adaptor - / Qm9 / 203Mm Is Rear
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The Magura QM9 disc brake adapter is an essential component for mountain bikers and cyclists looking to upgrade their stopping power by transitioning to larger 203mm rotors on frames equipped with the International Standard (IS) rear mount. Designed specifically for precision caliper alignment, this adapter ensures your brake system functions optimally for better heat dissipation and improved braking control, though it is exclusively compatible with IS frame standards and cannot be used with Post Mount frames.
| Series | QM9 |
|---|---|
| Model Part Number | 0722325 |
| Brand | Magura |
No, the QM9 is specifically engineered for IS rear frame mounts.
Yes, it includes the necessary mounting screws for proper installation.
The QM9 is designed to interface between IS mounts and post-mount calipers, so it is generally compatible with most standard post-mount brake systems.
This specific adapter is designed for use with 203mm rotors.
No, this adapter is exclusively for frames with International Standard (IS) rear mounts.
Loosen the caliper mounting bolts, squeeze the brake lever to center the caliper over the rotor, and retighten the bolts while holding the lever down.
Apply a small amount of blue thread-locking compound to the threads and ensure they are torqued to the correct specification.
Installation requires a 5mm Allen key to bolt the adapter to the frame's IS tabs, followed by securing your brake caliper to the adapter. Ensure that the mounting bolts are torqued to the manufacturer's specifications to prevent movement. This adapter is strictly for IS rear frame mounts; do not attempt to force it onto a Post Mount (PM) frame. For ongoing care, periodically inspect the bolts for tightness after the first few rides, and check that no debris has lodged between the adapter and the frame. Use a drop of medium-strength thread-locking compound on the mounting bolts to ensure they do not vibrate loose over time.
