⟲ 360° — drag meThe facts.
| Brand | LighTech |
|---|---|
| Part number | FFC05 |
| Material | Ergal aluminium (solid billet, CNC-milled) |
| Surface finish | Hard anodised |
| Fitment | Kawasaki ZX-4 RR (2023–2025) |
| Application | Rear brake fluid reservoir cap |
| Available colours | Black, Red, Gold, Green, Blue |
| Installation | Direct OEM replacement — no modification required |
DescriptionThe whole story▼
Machined from solid Ergal aluminium and finished to a standard that matches the precision of the ZX-4 RR itself, the LighTech FFC05 rear brake fluid reservoir cap is a direct OEM replacement that brings genuine racing-grade build quality to a detail most riders overlook. Whether you are chasing lap times or simply demand the finest materials on your machine, this cap delivers a measurable step up from the standard item in both durability and visual presence.
Key Features
- CNC-milled from solid Ergal aluminium billet for exceptional rigidity with minimal mass — no casting porosity, no compromise on structural integrity
- Full anodised surface treatment provides long-term corrosion resistance and a deep, even colour that holds its appearance through repeated track and road use
- Laser-engraved LighTech logo confirms genuine provenance and adds a refined racing aesthetic without adhesive badges that peel or fade
- Precision-machined profile is a direct 1:1 replacement for the original rear brake reservoir cap, requiring no modification or adapter
- Available in five anodised colours — black, red, gold, green and blue — allowing you to coordinate with existing livery or accent components
Build Quality and Materials
Ergal aluminium — the high-strength 7075-T6 alloy favoured by aerospace and motorsport engineers alike — sits at the heart of this component. LighTech mills each cap from a solid billet rather than casting it, which eliminates internal voids and ensures a consistent wall thickness throughout. The result is a part that is noticeably lighter than the OEM plastic cap yet far more resistant to the heat cycles and mechanical stress that accumulate around the rear brake circuit during sustained track use.
The hard anodising process penetrates the surface of the aluminium rather than sitting on top of it, meaning the colour is integral to the material itself. It will not chip, blister or oxidise in the way that painted or powder-coated finishes can, and it remains resistant to brake fluid contamination — an important consideration given its location directly above the rear reservoir.
Installation and Fitment
LighTech has engineered the FFC05 to mirror the original Kawasaki thread pitch and seating geometry exactly. Fitment is a straightforward swap with no tools beyond what is already in a standard workshop kit, and no additional seals or adapters are required. The cap seats flush and seals cleanly, making it equally suitable for track-day prep or a road-going refresh.
Fitment and Compatibility
- Kawasaki ZX-4 RR (2023, 2024, 2025)
Specifications
| Attribute | Detail |
|---|---|
| Brand | LighTech |
| Part number | FFC05 |
| Material | Ergal aluminium (solid billet, CNC-milled) |
| Surface finish | Hard anodised |
| Fitment | Kawasaki ZX-4 RR (2023–2025) |
| Application | Rear brake fluid reservoir cap |
| Available colours | Black, Red, Gold, Green, Blue |
| Installation | Direct OEM replacement — no modification required |
FitmentWhich bikes this fits▼
- Kawasaki ZX-4 RR (2023–2025)
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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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