The Bonerguard is a disc brake rotor guard designed specifically for 160mm rotors and Avid BB7 brake calipers. The guard covers the outer dial on your caliper in addition to the rotor. The guards come with all hardware necessary for installation, and with the hoop mounting bolts pre-installed and correctly torqued.
I have also fabricated custom guards for people. If you're interested in having one made to fit another caliper or rotor size, please contact me directly and we can make it. Custom guards cost more than the stock model.