| Diagram | Fig. 15 — Front Wheel and Brake (Disc Type) · ref 27 |
| Subsystem | brakes |
| Listed in parts books | 1975 |
Norton Piston
Norton Commando disc brake caliper piston, PN 06-1896.
This is a Norton part, not a Triumph part - it's the caliper piston used in the Commando's disc brake setup. The catalog record ties it to hydraulic front and rear brake figures, which fits a caliper piston's job: it's the part that gets pushed out by hydraulic pressure to squeeze the pad against the disc.
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Our catalog lists it under 06-1896 with two appearances, both in brake-system figures, and the model years on file run through 1975. If you're working on a Commando brake caliper and need to know which side or which system (front or rear) this fits, give us a call and we'll confirm against your bike before you order.
Caliper pistons take a beating from heat and moisture over the decades, so if you're rebuilding a caliper it's common to replace both the piston and the seals at the same time rather than reusing old parts.
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