Shimano G05A-RX Disc Brake Pad and Spring

Shimano G05A-RX Disc Brake Pad and Spring Shimano

Shimano G05A-RX Disc Brake Pad and Spring

Shimano G05A-RX Disc Brake Pad and Spring

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Why Do MTB Riders Choose the Shimano G05A-RX Disc Brake Pad?

The Shimano G05A-RX is the 5th-generation resin replacement pad for a wide range of mid to high-end Shimano MTB hydraulic calipers, from XTR M9000 down through Deore M6000, plus select road and gravel disc applications. Built with 5th-generation resin friction material, the G05A-RX delivers 50% better wear resistance than the G03A and 110% better than the G02A, with quieter operation and improved modulation over older resin compounds. The design omits a radiator fin, keeping the pad compact and compatible with tighter caliper clearances while still delivering solid heat resistance for trail and all-mountain riding.

The narrow type G pad shape fits 2-piston Shimano hydraulic calipers across a broad compatibility range that includes BR-M9000, BR-M9020, BR-M8100, BR-M8000, BR-M7100, BR-M7000, BR-M6100, BR-M6000, BR-RS785, BR-R785, BR-S700, BR-S7000, BR-CX77, BR-R517, BR-R317, BR-M675, BR-M666, BR-M615, BR-M785, and BR-U8000. The alloy back plate keeps weight minimal while providing rigid pad support. Each package includes one pair of pads with spring. The G05A-RX is the right OEM replacement for trail and all-mountain riders who want longer-lasting resin performance across a wide range of older and current Shimano MTB disc systems.

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  • Estimated delivery: May 24 - May 28

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Specifications

  • Model: BP-G05A-RX
  • Lining Material: Resin (5th generation)
  • Pad Shape: Narrow type, G
  • Piston Compatibility: 2-piston brake caliper
  • Back Plate: Alloy (lightweight)
  • Radiator Fin: No
  • Wear Improvement: 50% better than G03A, 110% better than G02A
  • Package: 1 pair with spring
  • Compatible Calipers: BR-M9000, BR-M9020, BR-M987, BR-M985, BR-M8100, BR-M8000, BR-M785, BR-M7100, BR-M7000, BR-M675, BR-M666, BR-M6100, BR-M6000, BR-M615, BR-S7000, BR-S700, BR-CX77, BR-RS785, BR-R785, BR-R517, BR-R317, BR-U8000

FAQ

What is the difference between the G05A-RX and the J05A-RF?

Both are 5th-generation resin pads for Shimano 2-piston MTB calipers, but they are different pad families. The G05A-RX covers older and broader caliper compatibility including XTR M9000, XT M8000, and early Deore down to M6000. The J05A-RF covers a similar but partially overlapping range. Always confirm your specific caliper model number before ordering.

Does the G05A-RX fit the Shimano GRX or road disc calipers?

Yes, partially. The G05A-RX fits BR-RS785 and BR-R785 road disc calipers, as well as BR-S700, BR-S7000, BR-CX77, BR-R517, and BR-R317. It does not fit newer GRX or road disc calipers such as BR-RX810 or BR-R8070.

Does this pad include a spring?

Yes. Each package includes one pair of G05A-RX pads with the retaining spring included.

Best For

Trail and all-mountain MTB riders running mid to high-end Shimano 2-piston hydraulic disc brakes from the XTR M9000 era through current Deore M6100 who want longer-lasting 5th-generation resin feel in a compact finless design.

Shimano G05A-RX Disc Brake Pad and Spring Reviews:

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