Built Cycles - Sram BB7 Road S Mechanical Disc Brake 197 grams, caliper only Black Anodized Organic Pads with Steel Backing Plates Dual Knob Pad Adjustment, Tri-align Caliper Positioning System SRP: PHP
SRAM upgrades BB7 mechanical disc brake for 2013 - BikeRadar
The Fall of Discs: Trick your Avid BB7 brakes - VeloNews.com