Gorilla Brakes · Replacement disc brake pads

Hayes Compatible Semi-Metallic Disc Brake Pads

Explore Gorilla Brakes Semi-Metallic pads for Hayes. Separate Dominion A2/T2, Dominion A4/T4 and the individual legacy Hayes fitments. Use the complete caliper name and compare the old pad outline.

Check fitment and compatible models

Three separate Hayes pad groups are currently listed. They are not interchangeable.

Pad familyCompatible models and selection
Dominion A4 / T4 — four-pistonA4, T4 and A4 SRL. These pads do not fit the two-piston Dominion A2 / T2. View product or model details →
Sole / CX / MXSole (So1e), CX, MX-2, MX-2 XC, MX-3, MX-4, MX-5 and MX Expert. MX-1 belongs to the separate legacy group below. View product or model details →
HFX-9 / HFX Mag / MX-1For the listed HFX-9, HFX Mag and MX-1 calipers; separate from Sole / MX-2–5, Stroker and Dominion shapes. View product or model details →

Check the exact caliper model and original pad outline before ordering. Check front and rear brakes separately, including the pack contents and number of packs needed.

Choose your performance range

Find your brake pads

Choosing Semi-Metallic

Semi-Metallic is a versatile everyday option for commuting, road, gravel and lighter trails on conventional bicycles.

The Performance range is for conventional bicycles. For electric bikes, compare the e-bike-rated Enduro Pro and Factory Racing options; for heavy cargo or demanding descents, start with Enduro Pro Ultimate or Enduro Pro Semi-Metallic.

Compare compounds

Before you order

Hayes Compatible Semi-Metallic Disc Brake Pads FAQs

A little help with fitment, compounds and getting ready to ride.

How do I select the correct pad for Hayes?

Separate Dominion A2/T2, Dominion A4/T4 and the individual legacy Hayes fitments. Use the complete caliper name and compare the old pad outline. Check the selected product’s exact compatibility before ordering.

When should I consider Semi-Metallic?

Semi-Metallic is a versatile everyday option for commuting, road, gravel and lighter trails on conventional bicycles.

Is Semi-Metallic the same option as Enduro Pro Semi-Metallic?

No. The everyday Semi-Metallic option belongs to the Performance range for conventional bicycles. Enduro Pro Semi-Metallic is a separate e-bike-rated Enduro Pro choice, recommended for heavier loads and long descents. Check the full product name and exact caliper fitment.

How should I prepare the rotor and bed in new pads?

Check the rotor’s condition, wear limit and permitted pad material. Follow the installation instructions for your caliper and our bedding-in guide, including rotor preparation when changing compounds.