The Shimano R55C4-A brake pad inserts are premium replacement components designed for use with Shimano BR-R9910 calipers, typically found on carbon-fiber road racing bikes. These inserts feature a carbon-fiber structure that offers rapid heat absorption and dissipation, translating into consistent braking performance during high-speed descents and endurance rides. When paired with the BR-R9910s dual-pivot caliper system, the R55C4-A inserts ensure a smooth, modulated braking feel with reduced fade and enhanced control.Ideal for riders who demand precision braking in both training and competitive settings, the R55C4-A inserts offer excellent durability and low noise operation, especially on carbon rims. Their engineered compound complements Shimanos braking system to improve pad wear consistency and reduce the risk of overheating. Whether you're climbing, descending, or sprinting, these brake pad inserts deliver superior stopping power without compromising performance.Features- Designed for Shimano BR-R9910 dual-pivot road calipers- Carbon-fiber insert structure for enhanced heat management- Smooth, quiet braking performance on carbon rims- Durable compound to reduce pad wear and fade- Engineered for modulated, high-performance braking

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