The facts.
| Brand | H2O Performance |
|---|---|
| Product Type | Supplementary water radiator kit |
| Fitment | Honda CBR 1000 RR (2008–2016) |
| Core Design | Enlarged surface area with optimised fin structure |
| Function | Supplements factory cooling circuit for increased thermal capacity |
| Intended Use | Road, touring and track |
| Installation | Additive kit — integrates with existing cooling system |
DescriptionThe whole story▼
H2O Performance has built its reputation on a single principle: precision-engineered cooling solutions designed and finished to meet the demands of serious riders. This supplementary water radiator kit for the Honda CBR 1000 RR (2008–2016) is a testament to that heritage — a purpose-built addition to the stock cooling circuit, crafted with an enlarged core surface and an optimised fin structure that pushes heat dissipation well beyond factory limits.
Key Features
- Enlarged radiator core with an optimised fin layout for significantly increased heat dissipation at full throttle
- Stabilises coolant temperature during sustained high-speed riding, hot ambient conditions and intensive track sessions
- Adds meaningful thermal headroom, protecting the engine during hard acceleration and repeated high-load runs
- Reduces heat stress on the engine and cooling circuit, supporting better lubrication and lowering the risk of overheating
- Supplements — rather than replaces — the existing cooling system, keeping installation straightforward
- Precision fit for the Honda CBR 1000 RR across the full 2008–2016 model run
Design, Finish and Heritage
H2O Performance has long been the benchmark for supplementary cooling on European superbikes, and this kit carries all the hallmarks of that pedigree. The radiator's construction reflects genuine motorsport intent: the core geometry is engineered for maximum airflow conversion, and the overall finish is consistent with parts that belong on a machine as refined as the CBR 1000 RR. This is not an afterthought bolted to an existing bracket — it is a considered, factory-quality addition that integrates cleanly into the Honda's cooling architecture.
Performance on Road and Track
The Honda CBR 1000 RR is a superbike that rewards commitment, but the standard cooling system can approach its limits during long touring days in summer heat, back-to-back track sessions, or sustained high-speed runs. Once the H2O kit is fitted, coolant temperatures stabilise noticeably. The engine runs with greater consistency — throttle response stays clean, power delivery remains linear, and there is no thermal throttling pulling performance back when it is needed most. After installation, riders typically find the motorcycle runs more smoothly across all conditions, with a reduced risk of heat soak and a more reliable cooling margin in reserve.
Who This Kit Is For
- Honda CBR 1000 RR owners (2008–2016) who ride hard on road or track
- Riders who regularly tackle trackdays, hot touring days or long high-speed motorway runs
- Anyone looking to reduce heat stress on the engine and extend its service life
- Supersport enthusiasts who demand consistent, reliable performance under maximum load
Fitment & Compatibility
This H2O Performance supplementary radiator kit is a direct, precision fit for the Honda CBR 1000 RR across all model years from 2008 to 2016. It is designed to integrate with the existing cooling circuit without requiring a full system overhaul.
Specifications
- Brand: H2O Performance
- Product type: Supplementary water radiator kit
- Fitment: Honda CBR 1000 RR, 2008–2016
- Core design: Enlarged surface area with optimised fin structure
- Function: Supplements the factory cooling circuit for increased thermal capacity
- Intended use: Road, touring and track
- Installation: Additive kit — integrates with existing cooling system
FitmentWhich bikes this fits▼
- Honda CBR 1000 RR (2008–2016)
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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.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
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.
Our team will personally help you choose the right gear or part — around 24h for a reply.