Magura brake disc adapter This adapter allows you to use a 160 mm disc for a Magura brake system. The adapter is mounted on the front or rear fork. The brake caliper can then be mounted on the adapter and the larger disc can be used with maximum braking power. When the adapter is mounted on a 6 or 7 inch PM mount, a 180 mm disc can be used. Specifications: Color: black Material: aluminum Length: 8.5 cm Center-center size: 74 mm Weight: 20 grams Suitable for: front or rear Suitable for a brake with a disc diameter of 160/180 mm. Contents: 1 Adapter 2 Mounting bolts