Quick Summary
PACYTION’s four-piston disc brake pads are sold as four pairs with three installation tools. The pads use a mixed semi-metallic material described as copper fiber and organic resin.
Fit depends on the exact brake caliper and pad shape. Check the model or current pad code before choosing a replacement.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Disc brake pads identified as a four-piston type; check the exact caliper and pad shape for fit. |
| Pad material | Mixed semi-metallic, with copper fiber and organic resin. |
| Named compatibility | Shimano MT420, MT520, M6120, M7120, M8020 and M8120, plus pad codes D03S, D02S, N03A, H03C, H04C and N04C. |
| Package quantity | Four pairs of pads and three tools. |
Compatibility, Size and Fit
Match the pads to the exact brake caliper and the shape or code of the pads being replaced. The listed Shimano models and pad codes are useful starting points, but do not assume a match based only on the bike brand or four-piston description. Tektro is also named as compatible, but no specific Tektro models are identified, so confirm the exact caliper and pad shape before selecting these pads.
What Is Included
The package includes four pairs of brake pads, a disc brake gap regulator, a hydraulic brake piston press tool and a hex wrench. Check that the selected package configuration includes the tools if they matter to your replacement plan.
What to Compare Before Buying
- Caliper and pad match: Compare your exact brake model or existing pad code with the listed compatibility information.
- Quantity: Confirm that four pairs suit the number of replacements you need.
- Material: These are mixed semi-metallic pads, not a fully metallic pad type. Compare material type with your requirements and brake manufacturer’s guidance.
- Replacement instructions: Follow the bicycle and brake manufacturer’s instructions for replacing and setting up pads. Confirm the procedure for your exact brake system before starting.
Before You Decide
Confirm the exact caliper and pad shape, then check that the four-pair quantity and included tools fit your needs. Use the manufacturer’s instructions for replacement and setup.
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