Avid Adaptor 20 IS for front 180mm / rear 160mm Disc Adaptors | Bike-Discount
Amazon.com : Avid/ SRAM 20mm Post Mount Disc Brake Adaptor, Fits 180mm Front and 160mm Rear Rotors : Bike Brake Mounts And Adapters : Sports & Outdoors
AVID Adapter PM - PM 20 mm | 180 mm front | 160 mm rear with Titanium, 37,50 €