Quick Summary
Shimano D03S disc brake pads use an organic synthetic-resin compound and are listed with a spring. They are identified for specific Shimano brake models, so confirm your caliper model and the replacement part number before choosing them.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and part number | D03S; Y1XM98010. Check these identifiers against the part being replaced. |
| Pad compound | Organic synthetic resin. |
| Listed compatible brakes | BR-M8120, BR-M7120, BR-M8020, BR-M820, BR-M810, BR-M640, BR-MT520, and BR-MT420. |
| Configuration | Described as disc brake pads and a spring. Confirm the pack quantity and included parts for the selected configuration. |
Compatibility, Size and Fit
Match the complete brake model number to the list above rather than relying on brand alone or assuming a similar model uses the same pads. If your caliper is not listed, confirm fitment using its exact model and the replacement part number before proceeding.
Before You Decide
Check the caliper model, the D03S or Y1XM98010 identifier, and the pack quantity and spring contents. For brake-related work, follow the bicycle and brake manufacturers’ instructions; if unsure about installation, consult a qualified bicycle mechanic.
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