Shimano SM-MA Brake Caliper Adapter - Postmount to Postmount | + 20/43mm

Postmount Adapter for using a larger brake disc rotor. For connecting a Post Mount fork or frame with a Post Mount brake caliper. The adapter can be used as follows: SM-MA-F180P/P2 140 mm fork mount - for using a 160 mm brake disc 160 mm fork mount - for using a 180 mm brake disc 140 mm frame mount - for using a 160 mm brake disc 160 mm frame mount - for using a 180 mm brake disc SM-MA-F203P/PA 160 mm frame mount - for using a 203 mm brake disc