Upgrade Your Bike’s Braking Performance with the Alligator RD-300 Cartridge Insert Bundle Black, Pack of 2 Enhance your bicycle’s braking system with this premium set of Alligator RD-300 Cartridge Inserts. Designed for cyclists seeking reliable, high-performance brake caliper upgrades, these black replacement inserts are compatible with RD-300 cartridge calipers and most 55mm aluminum holders, ensuring a versatile fit for a variety of road and cyclocross bikes. Engineered with durable, high-quality materials, these inserts deliver consistent stopping power and excellent modulation, thanks to their innovative compound tailored for Shimano-type calipers. Their precise engineering ensures optimal fit and performance, making them the ideal choice for serious riders and bike enthusiasts alike. Perfect for replacing worn or damaged inserts, these black cartridge brake pads feature advanced road-specific compound technology that offers superior grip and longevity. Whether you’re upgrading your race bike or maintaining your daily commuter, these inserts provide a reliable, cost-effective solution for improved braking efficiency and safety. Key Features: – Compatibility: Shimano-type calipers and 55mm aluminum holders – Material: Durable rubber compound for road cycling – Performance: Enhanced braking power and modulation – Design: Easy installation with a precise fit – Style & Use Case: Rugged black finish suited for road and cyclocross applications – Quantity: Pack of 2 for extended use and value Optimize your bike’s braking system with the Alligator RD-300 Cartridge Inserts Black, and enjoy confident, responsive stops every time. Whether replacing worn pads or upgrading for better performance, this bundle is your go-to solution for reliable, high-quality cycling brakes.