Brake pad contact on rotor: Shimano BR-M8120 caliper with N04C pads mounted to direct mount 160mm with SM-MA-F180P2 running SM-RT86 180mm rotor. Pad contacts rotor about 1.5mm from outside edge. Spring clip
Shimano+N04C+Finned+Metal+Disc+Brake+Pad+with+Spring+-+Black for sale online | eBay
Amazon.com : SHIMANO N04C disc Pads and Spring, Alloy/Stainless Back with Cooling fins, Metal sintered : Sports & Outdoors