Calibre Bossnut brake pad compatibility guide
Choose the exact build and year. Every result shows the source-confirmed front and rear brake before opening the matching Gorilla Brakes collection.
Compatibility last checked 13 October 2026. Brake specifications are verified against manufacturer and published technical sources.
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Mountain bikes
Fitted front and rear: Shimano MT401 hydraulic disc, 180mm rotors. This opens the verified Gorilla Brakes collection so you can choose your compound.
Fitted front and rear: Shimano BL-M6100 / BR-M6120 hydraulic disc, 180mm SM-RT10 rotors. This opens the verified Gorilla Brakes collection so you can choose your compound.
Calibre Bossnut brake pad questions
The correct pad depends on the exact Bossnut build and model year. Select the complete bike above and confirm the marking printed on the fitted caliper before ordering.
No. Calibre specifications vary by build and year, and the front and rear brakes can also differ. Gorilla Brain keeps each source-confirmed build separate.
Each result is verified against the stored manufacturer or retailer specification page for that Calibre build and year.
Yes. Some builds use different calipers or pad shapes at the front and rear, so check both mappings on the exact bike card.
Use the bike listing as a starting point, then search for the name printed on the caliper actually fitted and order for that confirmed pad shape.
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