SHIMANO Brake Pads - G05S-RX

The Shimano G05S-RX disc pads and spring set features a high-quality steel back plate combined wit...

Best current price£10.99from Leisure Lakes Bikes

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Leisure Lakes BikesShimano G05S-RX Disc Pads and Spring Steel Backed Single Pack Resin
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£10.99
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eBayShimano G03S Resin Brake Pad Upgraded from G02S for BR-M9020/M8100/M7100/R785
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Product Information

Full details

The Shimano G05S-RX disc brake pads are designed for mountain bike and gravel riders seeking reliable, quiet, and consistent stopping power across diverse terrain. These genuine resin pads offer superior wear resistance compared to previous generations, making them an excellent choice for long-term maintenance; however, they require a proper bedding-in period to achieve optimal braking performance in varying weather conditions.

All features

SeriesG05S-RX
Model Part NumberBPG05SRX
BrandSHIMANO

Extended Product Information

FAQs

Can I use these pads on metallic-only rotors?

These pads are resin-based and are compatible with standard stainless steel rotors. Check your rotor markings for 'Resin Pad Only' warnings if applicable.

How do I know when to replace the pads?

Replace the pads when the friction material has worn down to less than 0.5mm in thickness.

Are these pads compatible with 4-piston brakes?

No, the G05S-RX is specifically designed for 2-piston Shimano brake systems.

Do I need to replace the spring included in the pack?

Yes, it is highly recommended to use the new spring included in the set to ensure the pads return properly and prevent rattling.

Are these pads 'pre-sanded'?

No, the pads come ready to install, but the bedding-in process is mandatory for optimal performance.

Troubleshooting

Brakes are making a squealing noise

Ensure rotors are clean and the pads have been properly bedded-in. If noise persists, check for surface contamination.

Braking power feels weak

The pads may be glazed from overheating or contaminated with oil. Replace pads if cleaning the rotor with isopropyl alcohol does not improve performance.

Pads rubbing against the rotor

Re-center the brake caliper over the rotor by loosening the mounting bolts, squeezing the brake lever, and re-tightening.

Pros and Cons

Pros

  • Significantly quieter than metallic pads
  • Excellent modulation and initial bite
  • Extended lifespan due to improved wear resistance
  • Reliable performance in wet and gritty conditions
  • Genuine Shimano quality for perfect fitment

Cons

  • Resin compounds may fade faster than metallic pads on extremely long, steep descents
  • Requires a bedding-in process before peak power is reached
  • Performance can be affected by oil or grease contamination

Setup, Compatibility & Care

Installation of the G05S-RX pads involves removing the wheel, pushing the brake pistons back into the caliper, and securing the new pads with the provided spring set and the original retaining pin. These pads are compatible with many 2-piston calipers including models from the XTR (BR-M9000, M9020), XT (BR-M8100, M8000), SLX (BR-M7100, M7000), and Deore (BR-M6000, M615) series. To care for your pads, avoid using spray lubricants near the brake system. If the pads become contaminated with chain oil or grease, they should be replaced immediately, as cleaning resin pads is rarely successful. Always perform a bedding-in process by finding a flat, safe area and executing 10-15 controlled, moderate-speed stops to transfer a layer of pad material onto the rotor.

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