Shimano Flat-Mount Road Disc Caliper Fixing Bolt C (15mm Thick Chainstay) - Y8N208050
Shimano Flat-Mount Road Disc Caliper Fixing Bolt C (15mm Thick Chainstay) - Y8N208050, Shimano mounting bolts for flat-mount disc brake calipers. Features: Attaches rear mounting plate to frame, 15mm thick chainstay Required bolt is determined by chainstay thickness, not actual bolt length