Update your MM12P/V2/V3 brakes to a modern big bike CR/CRF Nissin brake caliper. Machined from solid billet aluminum and anodized works bike brown. This mount should fit any OEM Honda rear Nissin caliper as used on full sized CR and CRF motorcycles through about 2003-2017. These are widely available on the used market or new from your local Honda dealership. There are also numerous import copies regularly available on eBay. You'll probably want a custom length brake hose from someone like Galfer.

This bracket is designed to work with a 190mm rotor, a BBR rotor adapter, and an old BBR KLX110 rear disc hub on a BBR MX style swingarm. It will not clear for use on an A-Frame types swingarm. This is intended to help customers with our old brake systems to update to modern brakes. It is not intended for adding disc brakes to an OEM frame/swingarm KLX110 or CRF110 or any other motorcycle.