Shimano L05A-RF Disc Brake Pad and Spring

Shimano L05A-RF Disc Brake Pad and Spring Shimano

Shimano L05A-RF Disc Brake Pad and Spring

Shimano L05A-RF Disc Brake Pad and Spring

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Why Choose the Shimano L05A-RF Disc Brake Pad?

The Shimano L05A-RF is the premium resin replacement pad for Shimano's modern hydraulic disc brake calipers on road, gravel, and high-end MTB systems, covering everything from Dura-Ace R9270 and Ultegra R8170 to Deore XT M8100 and GRX across all speeds. Built with 5th-generation resin friction material, the L05A-RF delivers quieter operation and improved modulation over older resin generations, with 50% better wear resistance than the L03A and 110% better than the L02A. The integrated alloy radiator fin actively dissipates heat during extended descents, keeping pad temperatures lower for more consistent feel and reduced fade on long mountain and gravel descents.

The narrow type L pad shape is designed specifically for 2-piston Shimano hydraulic calipers on the L-series platform, with an alloy back plate for rigid pad support. Compatible calipers span the full Shimano road and gravel disc range including BR-R9270, BR-R8170, BR-R7170, BR-RS805, BR-RS505, BR-RS405, BR-RS305, BR-RX810, BR-RX820, BR-U5000, and MTB calipers BR-M8110 and BR-M7110. Each package includes one pair of pads with spring. The L05A-RF is the correct OEM replacement for riders running Shimano's current and recent road and gravel disc brake systems who want resin feel with improved heat management.

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$32.99
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  • Orders over $100 ship free!
  • Estimated delivery: May 24 - May 28

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Specifications

  • Model: BP-L05A-RF
  • Lining Material: Resin (5th generation)
  • Pad Shape: Narrow type, L
  • Piston Compatibility: 2-piston brake caliper
  • Back Plate: Alloy
  • Radiator Fin: Yes -- alloy fin for heat dissipation
  • Wear Improvement: 50% better than L03A, 110% better than L02A
  • Package: 1 pair with spring
  • Compatible Calipers: BR-M8110, BR-M7110, BR-R9270, BR-R8170, BR-R7170, BR-R9170-F/R, BR-R8070-F/R, BR-R7070-F/R, BR-4770-F/R, BR-RS805-F/R, BR-RS505-F/R, BR-RS405-F/R, BR-RS305-F/R, BR-U5000, BR-RX810-F/R, BR-RX400-F/R, BR-RX820

FAQ

What does the radiator fin on the L05A-RF actually do?

The alloy radiator fin increases surface area to dissipate heat away from the pad during braking. This reduces pad fade on long descents and extends pad life compared to a finless design.

Will the L05A-RF fit my Shimano 105 R7000 or Ultegra R8000 caliper?

Yes. The L05A-RF is compatible with both the 105 R7000 series (BR-R7070) and Ultegra R8000 series (BR-R8070), as well as their Di2 successors. It also fits GRX 10, 11, and 12-speed hydraulic disc calipers.

Is the L05A-RF the same pad as the K05S-RX?

No. The L05A-RF is a narrow type L pad with a radiator fin, while the K05S-RX is a narrow type K pad without a fin. They share the same caliper compatibility range but are different part numbers and pad shapes.

Best For

Road, gravel, and high-end MTB riders running current Shimano hydraulic disc brakes who want resin feel with improved heat management on long climbs, descents, or mixed-condition riding.

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