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Shimano K05S-RX Disc Brake Pad and Spring

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Shimano K05S-RX Disc Brake Pad and Spring

Shimano K05S-RX Disc Brake Pad and Spring

What Brake Systems Use the Shimano K05S-RX Disc Brake Pad?

The K05S-RX is a resin compound disc brake pad for Shimano's hydraulic MTB brake systems that use the K-series pad shape, which includes the BR-M9100 XTR, BR-M8100 Deore XT, BR-M8120 Deore XT 4-piston, BR-M7100 SLX, and related calipers from the current 12-speed MTB generation. The resin compound delivers smooth, progressive braking feel with low noise in dry and wet riding conditions, which is why it remains the go-to pad specification for trail and XC riders who prioritize modulation and quiet operation. The K05S-RX represents a meaningful improvement in wear life over the previous K03S generation, offering approximately 50 percent more pad material before replacement is needed, which translates directly to fewer service stops over the course of a season.

The RX designation on this pad indicates a standard resin backing without the finned alloy cooling plate found on the RF version. This keeps the price point lower while still delivering the full compound performance of the 05 generation pad. Each package contains one pair of pads with the return spring included. As with all Shimano disc pads, a proper bedding-in procedure is required after installation to transfer a thin transfer layer to the rotor surface and unlock full braking performance. For riders on current-generation 12-speed Shimano MTB calipers using the K-series pad shape, the K05S-RX is the correct OEM-spec resin replacement pad.

$12.99
Shimano K05S-RX Disc Brake Pad and Spring
$12.99

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What Brake Systems Use the Shimano K05S-RX Disc Brake Pad?

The K05S-RX is a resin compound disc brake pad for Shimano's hydraulic MTB brake systems that use the K-series pad shape, which includes the BR-M9100 XTR, BR-M8100 Deore XT, BR-M8120 Deore XT 4-piston, BR-M7100 SLX, and related calipers from the current 12-speed MTB generation. The resin compound delivers smooth, progressive braking feel with low noise in dry and wet riding conditions, which is why it remains the go-to pad specification for trail and XC riders who prioritize modulation and quiet operation. The K05S-RX represents a meaningful improvement in wear life over the previous K03S generation, offering approximately 50 percent more pad material before replacement is needed, which translates directly to fewer service stops over the course of a season.

The RX designation on this pad indicates a standard resin backing without the finned alloy cooling plate found on the RF version. This keeps the price point lower while still delivering the full compound performance of the 05 generation pad. Each package contains one pair of pads with the return spring included. As with all Shimano disc pads, a proper bedding-in procedure is required after installation to transfer a thin transfer layer to the rotor surface and unlock full braking performance. For riders on current-generation 12-speed Shimano MTB calipers using the K-series pad shape, the K05S-RX is the correct OEM-spec resin replacement pad.