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K03S resin pad disc brake pads bicycle bike Hydraulic R9170 R8070 R7070 RS805 RS505 RS405 RS305 U5000|Bicycle Brake| - AliExpress
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Shimano K03S Resin Disc Brake Pads - Resin, Steel Backed, Fits 105 BR-R7070, Tiagra BR-4770, BR-RS405, BR-R8070, BR-R9170 - REV Endurance Sports
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