The Sram Apex Brake Caliper Set has been designed with high performance with forged alloy and style as Sram's guiding principles. The Sram calliper set features Dual Pivot performance along with an external centering adjuster, proprietary pad compound. Plus the Dual Pivot design increases braking power and also enhances progressive feel. The set also includes High quality quick release, Convex washers, High quality barrel adjuster and is compatible with 28c tires.The Sram Apex Brake Caliper Set offers a powerful response when actuated. Sram Apex Brake Caliper Set Features Dual Pivot design Forged alloy calipers Available in sleek, jet black and white gloss SRAM®/ Swiss Stop® Compound pads External centering adjust High quality quick release Convex washers High quality barrel adjuster Compatible with 28c tires SRAM Apex branded and Non-series SRAM® branded 308g pair