
The facts.
| Brand | Carbonin |
|---|---|
| Part number | FM2561H |
| Component | Seat foam unit, PROFESSIONAL level |
| For seat | H25300AP — Carbonin subframe AL2505H |
| Base | Avio Fibre mounting plate |
| Customisation | Length, thickness and back support section |
| Embroidery | Carbonin logo plus personalised embroidery |
| Ordering | Made to order |
| Fitment | Honda CBR 600 RR PC69 (2024-2026) |
| Road approval | None supplied — closed-course competition use |
DescriptionThe whole story▼
A machine on the race subframe has already had its rear end rebuilt around one purpose. FM2561H finishes that job at the point where the rider actually meets the motorcycle — cut to their figures, on the narrow tail the subframe creates, with whatever lettering the team runs.
Key Features
- Dimensions taken from the rider rather than from a size chart
- Bracing point set to that rider's reach, not to an average one
- Team name, number or other lettering embroidered with the Carbonin mark
- Cut for the H25300AP seat on the AL2505H race subframe
- Produced against the order — allow for it in the build schedule
The Combination This Is For
A bike on the race subframe is a bike whose owner has already decided it is not going back on the road. That is the context in which a made-to-measure foam makes obvious sense: the machine is committed, the rider is not going to change it back, and the seat is the last interface between them that is still generic. Ordering this on a bike still running the standard subframe is perfectly possible — FM2560H is the equivalent — but the two decisions usually go together.
The Narrow Tail Changes the Measurements
The race subframe is narrower than the road one, which means the figures that suited a rider on a standard tail are not automatically the right figures here. The seat sits lower relative to the rider's hips and there is less width to sit across, so the useful thickness is often different from what the same rider ran before. If the bike has been on a BASIC or STANDARD race-subframe foam for a season, use that as the measuring reference rather than anything from the road setup.
Fitment
For the Honda CBR 600 RR PC69, 2024 to 2026, with the H25300AP seat.
Road Approval
A racing component, supplied without approval documentation.
Specifications
- Brand: Carbonin
- Part number: FM2561H
- Component: Seat foam unit, PROFESSIONAL level
- For seat: H25300AP — Carbonin subframe AL2505H
- Base: Avio Fibre mounting plate
- Customisation: Length, thickness and back support section
- Embroidery: Carbonin logo plus personalised embroidery
- Ordering: Made to order
- Fitment: Honda CBR 600 RR PC69 (2024-2026)
- Road approval: None supplied — closed-course competition use
FitmentWhich bikes this fits▼
- Honda CBR 600 RR PC69 (2024–2026)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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