Amazon.com: SRAM Disc Brake Pads - Organic Compound, Aluminum Backed, Quiet/Light, For Trail, Guide, and G2 : Everything Else
Amazon.com : Bike Brake Pads for Avid Disc Brake Avid Elixir E1 E3 E5 E7 E9 CR ER XO XX Stronger Braking Power Less Noise (F-Avid-Metal) : Sports & Outdoors
Amazon.com: SRAM G2 Guide/Trail Disc Brake Pads, Sintered Pad with Steel Backer : Everything Else