⟲ 360° — drag meThe facts.
| Brand | Bonamici Racing |
|---|---|
| Part number | FC090 |
| Fitment | Aprilia RS 660 (2020–2026) |
| Closure type | Quarter-turn quick-release |
| Weight saving | 70% vs. OEM fuel cap |
| Available colours | Black, silver, gold, orange, red, blue, green, bronze |
| Scope of delivery | Quick-release fuel cap, mounting bolt kit, rubber seal |
DescriptionThe whole story▼
Refuelling your Aprilia RS 660 should never slow you down. The Bonamici Racing quick-release fuel cap FC090 replaces the standard cap with a precision-machined unit that saves 70% in weight and opens with a single quarter-turn — making it as practical on a Sunday morning ride as it is at a track day pit stop.
Key Features
- Quarter-turn quick-release mechanism for fast, effortless opening and closing with one hand
- 70% weight reduction compared to the original Aprilia fuel cap, trimming unsprung mass and tidying up the overall package
- Direct bolt-on replacement — no modification required; mounting bolt kit and rubber seal included for a leak-free fit straight out of the box
- Available in eight anodised colours — black, silver, gold, orange, red, blue, green and bronze — so you can match or contrast your RS 660's livery precisely
- Part number FC090 for straightforward ordering and cross-referencing
Everyday Usability Meets Race-Derived Engineering
Bonamici Racing developed the FC090 with the same attention to detail found across their full range of Aprilia accessories. The quarter-turn locking collar clicks securely into place, eliminating the fiddly thread-and-tighten routine of the stock cap. Whether you are topping up at a motorway services or turning around between sessions on circuit, the time saved adds up — and the reduced weight is a genuine bonus rather than a marketing footnote.
The included rubber seal sits flush against the filler neck, maintaining a reliable fuel-tight closure even under the vibration and heat cycles typical of a high-revving parallel-twin. All hardware is supplied, so installation is a straight swap requiring only basic hand tools.
Fitment and Compatibility
The Bonamici Racing FC090 quick-release fuel cap is designed exclusively for the Aprilia RS 660, covering all model years from 2020 through to 2026.
Specifications
- Brand: Bonamici Racing
- Part number: FC090
- Fitment: Aprilia RS 660 (2020–2026)
- Closure type: quarter-turn quick-release
- Weight saving: 70% vs. OEM fuel cap
- Available colours: black, silver, gold, orange, red, blue, green, bronze
- Included: quick-release fuel cap, mounting bolt kit, rubber seal
What's includedEverything in the box▼
- 1x Bonamici Racing FC090 quick-release fuel cap
- 1x mounting bolt kit
- 1x rubber seal
FitmentWhich bikes this fits▼
- Aprilia RS 660 (2020–2026)
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