
The facts.
| Brand | Spider Racing |
|---|---|
| Part Number | 20.A225 |
| Fitment | Aprilia RS 660 (2020–2026) |
| Material | High-strength aluminium alloy, CNC-machined from solid billet |
| Finish | Black anodised |
| Country of Manufacture | Italy |
| Installation | Direct bolt-on, no modification required |
DescriptionThe whole story▼
Crashing is an occupational hazard of track days and spirited road riding — the Spider Racing aluminium engine cover guard for the Aprilia RS 660 (2020–2026) is the smart, lightweight line of defence that keeps an off from becoming a costly engine case replacement. CNC-machined in Italy from high-strength aluminium alloy and finished in a hard black anodised coat, part 20.A225 is engineered specifically for the RS 660's engine architecture to deliver a precise, rattle-free fit straight from the box.
Key Features
- CNC-machined from solid high-strength aluminium alloy billet for maximum structural integrity and a precise, gap-free fit on the Aprilia RS 660.
- Hard black anodised finish provides a corrosion-resistant barrier that holds up against road grime, chain lube and track debris — and keeps its looks over the long term.
- Designed specifically to minimise engine case damage in a slide or tip-over, dramatically reducing the risk of an expensive strip-down and repair bill.
- Lightweight aluminium construction adds meaningful protection without measurable impact on the bike's overall weight balance.
- 100% Made in Italy by Spider Racing — a brand trusted by road riders and club racers alike for precision-engineered engine and frame protection.
- Model-specific design integrates cleanly with the RS 660's sporting aesthetic rather than looking like an afterthought.
Engineering and Build Quality
Spider Racing machines part 20.A225 from a full billet of high-grade aluminium alloy, meaning there are no cast porosity weak points that could compromise the cover under impact load. The CNC process holds tight tolerances throughout, so the guard aligns perfectly with the RS 660's original mounting points — no drilling, no fettling, no compromises. The hard anodising process penetrates the aluminium surface rather than sitting on top of it, creating a finish that is genuinely wear-resistant rather than merely decorative.
On Road and On Track
Whether you use your RS 660 as a daily weapon on B-roads or take it to track days, the engine case is one of the most exposed components in a get-off — even a low-speed tip-over can crack the original cover and drain the oil. Fitting the Spider Racing guard is one of the highest return-on-investment safety modifications you can make: the cost of the part is a fraction of what an engine case repair demands in parts and labour. For track use in particular, many circuits and trackday organisers recommend or require additional engine protection, and a purpose-built aluminium cover of this standard satisfies those requirements.
Fitment and Compatibility
This engine cover guard is engineered exclusively for the following model:
- Aprilia RS 660 — model years 2020, 2021, 2022, 2023, 2024, 2025, 2026
Direct bolt-on replacement using the factory mounting points. No modification to the motorcycle is required.
Specifications
| Brand | Spider Racing |
|---|---|
| Part Number | 20.A225 |
| Fitment | Aprilia RS 660 (2020–2026) |
| Material | High-strength aluminium alloy, CNC-machined from solid billet |
| Finish | Black anodised |
| Country of Manufacture | Italy |
| Installation | Direct bolt-on, no modification required |
FitmentWhich bikes this fits▼
- Aprilia RS 660 (2020–2026)
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