⟲ 360° — drag meThe facts.
| Stability | More stability when changing direction |
|---|---|
| ANTI Shimmie | More stability on straights |
| Downforce | More composure when braking |
| Material | Manufactured from acrylonitrile butadiene styrene (ABS) |
| TÜV | Complies with the quality standards of the German TÜV certification |
| Aerodynamic | Improves airflow and stability |
| Rounded Profile | Rounded finish for improved safety and aesthetics |
| Weight | 482 g |
| Homologation | ABE KBA 31948SP W.NAKED SIDE |
DescriptionThe whole story▼
If you want measurable aerodynamic gains on your Kawasaki Z900SE without the complexity of a track-only setup, the Puig D12 spoilers deliver exactly that — up to 4.4 kg of downforce on the front axle, straight from a Barcelona-engineered, road-legal package that bolts on without specialist tools.
Key Features
- Innovative double-wing design with separate surfaces divided by a lateral spoiler channels airflow upwards, generating increased downforce without sacrificing overall aerodynamic efficiency.
- Generates up to 4.4 kg of front-axle downforce, producing a meaningful anti-wheelie effect and composed, planted braking behaviour on the Z900SE.
- Anti-shimmie effect delivers greater straight-line stability at speed — a genuine benefit for everyday fast-road riding as much as spirited B-road use.
- Rounded profile edges are engineered for improved safety and a refined aesthetic that complements the Z900SE's aggressive naked styling.
- Manufactured from acrylonitrile butadiene styrene (ABS) with 2 mm metal mounting brackets finished in textured black — durable, lightweight and resistant to road conditions.
- Complies with German TÜV quality standards and carries ABE homologation (KBA 31948SP W.NAKED SIDE), making them fully road-legal for everyday use.
Everyday Usability — Why the D12 Makes Sense on the Road
The Puig D12 range was built around a straightforward principle: genuine aerodynamic performance should not be reserved for the racetrack. The D12 winglets improve directional-change stability, reduce front-end float under hard braking and keep the Z900SE settled during high-speed cruising — all qualities that translate directly into rider confidence on public roads. Installation requires no mechanical expertise; a set of instructions is included, and the full guide is available online. The textured black bracket finish means the assembly integrates cleanly with the bike's existing hardware, and the lightweight ABS construction keeps the added mass to a sensible 482 g for the pair.
Engineering & Construction
Designed and manufactured entirely in Barcelona, the D12 spoilers combine advanced aerodynamic engineering with a racing-inspired silhouette. The carefully studied surface angles deliver an optimal balance between performance and stability — not simply maximum downforce at the expense of all else. The rounded profile is not a styling afterthought; it is a deliberate safety feature that reduces the risk of snagging or injury during low-speed manoeuvres and in the event of a drop. The ABS material provides the structural rigidity required to maintain effective wing geometry at motorway speeds while keeping weight low.
Fitment & Compatibility
These spoilers are designed and tested specifically for the following model:
- Kawasaki Z900SE (2025–2026)
ABE homologation reference: KBA 31948SP W.NAKED SIDE. Please review the ABE documentation carefully to confirm this part is suitable for your specific motorcycle before purchase.
Specifications
| Specification | Detail |
|---|---|
| Stability | More stability when changing direction |
| ANTI Shimmie | More stability on straights |
| Downforce | More composure when braking |
| Material | Manufactured from acrylonitrile butadiene styrene (ABS) |
| TÜV | Complies with the quality standards of the German TÜV certification |
| Aerodynamic | Improves airflow and stability |
| Rounded Profile | Rounded finish for improved safety and aesthetics |
| Weight | 482 g |
| Homologation | ABE KBA 31948SP W.NAKED SIDE |
DownloadsCertificate · Instructions▼
Carry a printed copy of the ABE certificate when riding on German roads.
FitmentWhich bikes this fits▼
- Kawasaki Z900SE (2025–2026)
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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.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
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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