Amazon.com : DiscoBrakes Disc Brake Pads Compatible with Shimano XTR BR-M615 BR-M666 BR-S700 BR-M785 BR-M985, 1 Pair with Spring : Sports & Outdoors
HOW TO Remove and Replace MTB Disc Brake Pads (Hydraulic) - Shimano Deore BR -M615 - YouTube
Shimano Shimano J04C Metal Disc Brake Pads and Spring with Fin for XTR BR-M9020, XT BR-M8000, SLX BR-M675, Deore BR-M615, BR-R517 Calipers - Bike Fix Utah