The Bestem carbon fiber tank cover for the Ducati Streetfighter V4 is a direct-fit panel for 2020-2022 models that replaces the OEM plastic cover with pre-preg carbon, trimming weight while adding a genuine carbon weave finish that resists sun-ray yellowing for the life of the part.
What does a carbon fiber tank cover do on the Streetfighter V4?
The tank cover is the panel that sits over the fuel tank between the seat and the front fairing. Swapping the OEM component for carbon does two things at once: it drops rotating-mass-free weight high on the bike, and it exposes a real carbon weave where riders and passers-by actually look. Because the panel is unpainted structural carbon rather than painted ABS, the finish is the material itself.
Our Ducati Streetfighter V4 / V4 S carbon fiber tank cover (SKU CBDU-STFTV4-TKC) is built to the OEM mounting geometry, so it uses the factory tabs and hardware locations. No drilling, no trimming.
What carbon and finish does Bestem use?
The tank cover is laid up from pre-preg carbon fiber rather than wet-lay, which gives more consistent resin-to-fiber ratio, tighter weave alignment, and lower weight than hand-laid alternatives. Over that weave we apply our proprietary UV-resistant clear coat.
Will a carbon tank cover turn yellow in the sun?
This is the single most common defect riders see on carbon fairings: standard clear coat ambers and clouds under UV exposure. Bestem's coating is engineered specifically to protect the weave from sun-ray yellowing, and it holds up roughly 3x longer than OEM carbon coating: about 3,000 hours of UV exposure versus about 1,000 hours for standard OEM clear. Because of that coating, every Bestem carbon part carries a lifetime warranty against sun-ray (UV) yellowing.
How much weight does it save?
Carbon tank covers replace comparatively heavy painted plastic. The exact gram figure depends on the OEM part revision, but the swap is a straightforward, no-compromise weight reduction concentrated up high near the rider's center of mass, where reducing mass has an outsized effect on how quickly the bike changes direction.
Does it fit the Streetfighter V4 and V4 S?
Yes. The cover is engineered for the 2020-2022 Ducati Streetfighter V4 and V4 S, matching the factory mounting points. If you are building out the rest of the bodywork in matching carbon, common companion pieces include the carbon fiber front fender and the carbon fiber heel guard cover, both matte to coordinate finishes.
Why buy the Bestem tank cover?
Bestem has manufactured carbon fiber since 2005 and supplies OEM carbon parts to car and motorcycle manufacturers, so the same process discipline behind those contracts goes into aftermarket panels. Parts are stocked in our Atlanta, GA warehouse and ship daily, worldwide, and live phone support is available every business day if you have a fitment question before you order.
FAQ
Does the carbon fiber tank cover fit the Streetfighter V4 S?
Yes. It fits both the Ducati Streetfighter V4 and V4 S from 2020-2022, using the factory mounting tabs and hardware locations.
Will the carbon tank cover yellow from sun exposure?
Bestem applies a proprietary UV-resistant coating rated for about 3,000 hours of UV exposure, roughly 3x longer than standard OEM clear coat. It carries a lifetime warranty against sun-ray yellowing.
Is the tank cover pre-preg or wet-lay carbon?
It is made from pre-preg carbon fiber, which gives a more consistent resin-to-fiber ratio, tighter weave alignment, and lower weight than hand-laid wet-lay parts.
Do I need to modify the bike to install it?
No. The cover is built to OEM geometry and installs with the factory mounting points, so no drilling or trimming is required.
How fast does it ship?
The tank cover is stocked in Bestem's Atlanta, GA warehouse and ships daily, worldwide.