Green Pads* Designed for X-country riding* Softer pad compound for better stopping* Can be used on non-hardened or hardened discs* This is a RESIN padFor cross country riding this is your best choice and is a British made organic pad compound that will not damage your discs. The pads have a medium lifetime and most types are supplied with slightly beefed up retraction springs to prevent pad drag.Fitments:Shimano:* BR-4770-F* BR-4770-R* Shimano SLX - BR-M7110* Shimano Deore XT - BR-M8110* BR-M9100 XTR 2 PISTON* Shimano XTR - BR-M9110* Shimano 105 - BR-R7070-F* Shimano 105 - BR-R7070-R* Shimano Ultegra - BR-R8070-F* Shimano Ultegra - BR-R8070-R* Shimano Dura Ace - BR-R9170-F* Shimano Dura Ace - BR-R9170-R* BR-RS305-F* BR-RS305-R * BR-RS405-F * BR-RS405-R* BR-RS505-F* BR-RS505-R* Shimano Ultegra - BR-RS805-F* Shimano Ultegra - BR-RS805-R* Shimano GRX - BR-RX400-F* Shimano GRX - BR-RX400-R* Shimano GRX - BR-RX810-F* Shimano GRX - BR-RX810-R* Shimano Metrea - BR-U5000Tektro: * HD-R310* HD-R510 TWIST R