TRP Disc Brake Pads - Spyre HyRd - P-A12RS

Replacement disc brake pads designed for compatibility with most TRP hydraulic and cable actuated ...

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Product Information

Full details

The TRP P-A12RS disc brake pads are essential maintenance components for riders using TRP cable-actuated or hydraulic two-piston braking systems who prioritize consistent stopping power and modulation. These resin-compound pads are designed to provide a quiet, smooth braking experience across a wide range of TRP models, including the popular Spyre, Hy/Rd, and Hylex series. While these resin pads offer excellent initial bite and reduced rotor wear, they may wear down faster than metallic alternatives when subjected to prolonged, heavy-duty mountain biking or extreme wet-weather riding conditions.

All features

Series	Spyre HyRd
Model Part Number	4717592042696
Brand	TRP

Extended Product Information

FAQs

Are these pads compatible with Spyre SLC calipers?

Yes, the P-A12RS pads are fully compatible with both the standard Spyre and the Spyre SLC models.

Can I use these on hydraulic TRP brakes?

Yes, these pads are compatible with many two-piston hydraulic models, such as the HD-M9020 and Hylex.

Do I need to sand the rotors when replacing pads?

It is not strictly required, but cleaning the rotor with isopropyl alcohol is essential for optimal performance.

How do I know when the pads are worn out?

You should replace the pads when the remaining friction material thickness reaches approximately 0.5mm.

Are these metallic or resin pads?

These are resin compound pads, which are preferred for their low noise and high modulation.

Troubleshooting

Brakes are squealing during use

Clean the rotor thoroughly with isopropyl alcohol and verify the pads were bed-in correctly.

Weak stopping power

Check the cable tension for mechanical brakes or ensure the system is bled properly for hydraulic models; ensure the pads are not contaminated with oil.

Pads rubbing against the rotor

Re-center the caliper over the rotor and ensure the pistons are fully retracted.

Pros and Cons

Pros

Provides quiet operation with minimal squeal
Excellent modulation and stopping control in dry conditions
Reduces wear and tear on disc brake rotors
Broad compatibility with numerous TRP two-piston calipers

Cons

Resin pads typically wear faster than metallic equivalents
May experience reduced performance in extremely muddy or gritty conditions
Not intended for high-heat downhill or heavy-load commercial applications

Setup, Compatibility & Care

To ensure peak performance, follow these guidelines for installation and maintenance:

Compatibility: Verify your caliper model (e.g., Spyre, Spyre SLC, Spyke, Hylex, Hy/Rd) before installation to ensure the P-A12RS is the correct match.
Cleanliness: Always clean the rotor with isopropyl alcohol before installing new pads to remove old residue or contaminants.
Bedding-in: After installing, perform a proper 'bed-in' procedure by completing several moderate stops from medium speed to properly transfer a layer of pad material onto the rotor surface.
Contamination: Avoid touching the braking surface of the pads with your fingers, as oils from skin can cause brake squeal and loss of friction.
Replacement: Regularly inspect pad thickness; replace the pads when the friction material is worn down to 0.5mm or less.