Shimano Flat-Mount Road Disc Caliper Fixing Bolt C (10mm Thick Chainstay) - Y8N208000
Shimano Flat-Mount Road Disc Caliper Fixing Bolt C (10mm Thick Chainstay) - Y8N208000, Shimano mounting bolts for flat-mount disc brake calipers. Features: Attaches rear mounting plate to frame, 10mm thick chainstay Required bolt is determined by chainstay thickness, not actual bolt length