Goldfren GF381 S3 Sintered Sport Brake PadsThe S3 sintered compound is optimal for street bikes, dual sport, touring, cruisers. It's recommended on applications with rather larger engines or for people who ride harder than average and want the great stopping power of a sintered brake pad. The S3 series is designed for low abrasive interaction with the rotor and quieter braking because the ceramic composite material. It has an HH friction rating and performs better at higher temperatures than