Replace your CB750F Supersport rear brake disc rotor with this Rear Brake Disc Rotor, replacing OEM #43121-422-000.
Key Features
• Rear brake disc rotor
• Replaces OEM #43121-422-000
Fitment / Compatibility
• Honda CB750F (1979‑80) Supersport
Part Number: 30-3058
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750F Supersport | 1979 |
| Honda | CB750F | 1980 |
No listed models match your search.
Free ground shipping over $50
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 business days |
Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.
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Frequently Asked Questions
Which Honda CB750 uses rear brake rotor 30-3058?
It fits the rear disc brake on the 1979 and 1980 Honda CB750F Supersport and replaces Honda OEM 43121-422-000.
How many rear brake rotors are included and required?
One rotor is included, enough for the single rear-disc position on one compatible CB750F.
What should be checked when installing a replacement rear rotor?
Measure rotor thickness and runout to the Honda limits, inspect the hub and mounting bolts, service the caliper and install compatible pads. Torque hardware and bed the pads according to the applicable procedures.