Product reviews:
Bike Bicycle Disc Brake Mount Adaptor for 160mm Rear Post Mount to Flat Mount 9504157091719 | eBay 140mm to 160mm post mount adapter
140mm to 160mm post mount adapter
XT Calipers with Avid Post Mount adapters?- Mtbr.com 140mm to 160mm post mount adapter
140mm to 160mm post mount adapter
Adapter for Flat Mount Caliper on 140 mm Post Mount - A.S. Solutions 140mm to 160mm post mount adapter
140mm to 160mm post mount adapter