Precision Lighting for Clubman Motorsport: A Deep Dive into WESEM’s HO2 Spot Lamps

When it comes to auxiliary rally lighting, it’s tempting to assume that bigger means better. While that might be true for some brands, WESEM challenges this assumption with the HO2 — a 183mm diameter halogen spot lamp that punches far above its weight. These compact yet powerful lamps offer extraordinary reach, intelligent beam spread, and excellent value, making them an ideal choice for clubman competitors who want to light the stage without breaking the bank.

Intelligent Design Over Raw Size

The HO2 isn’t about just size — it’s about performance per millimetre. Measuring only 183mm in diameter, the HO2 achieves a beam range of just under 400 metres. This rivals or surpasses many larger units and even high-end LED light bars, while maintaining a compact frontal area to reduce aerodynamic drag — ideal for fast tarmac stages.

The lens and reflector unit is where WESEM’s real engineering effort shines. Unlike some lamps which create a narrow tunnel of light, the HO2's optics are tuned to produce a wide, clean spread that enhances peripheral vision — perfect for rallying where vision at the edges of the road is just as important as what’s dead ahead.

Verified Technical Stats (HO2.56410)

• Diameter: 183 mm

• Depth (with mount): 114 mm

• Light Source: H1 12V 55W (halogen bulb)

• Mounting: Universal bracket with adjustable tilt

• Lens: Hardened glass

• Range: ~395 metres (as tested with 12V/55W H1 bulb and standard alignment)

• Field Spread: Wide, uniform distribution — better suited to rural or winding routes

• Ingress Protection: IP64 rated (dust-proof, splash resistant)

• Weight: Approx. 1.2kg

• Body Material: High-grade thermoplastic with black finish

• Compatibility: Works with most common rally light pod setups

Halogen vs LED — Why HO2 Still Wins for Some Drivers

While LED bars continue to gain popularity, they’re not without drawbacks. Beam width and side illumination on many LED bars is limited, and the "cool white" temperature can sometimes flatten detail in certain road conditions (especially snow or dust). In contrast, the halogen beam from the HO2 cuts through haze and rain more effectively, and offers a much warmer tone — making surface changes and terrain more visible.

Clubman competitors also appreciate the cost-to-performance ratio the HO2 delivers stunning reach and durability at a fraction of the cost of comparable LED alternatives.

Built for Clubman Budget, Not Clubman Compromise

Whether you're fitting lights for a night rally, long endurance event, or just looking to upgrade from standard fog lights, the HO2 hits the sweet spot of price, performance and reliability.

Why Choose the HO2?

• ✅ Compact size = lower drag

• ✅ Near-400m beam reach

• ✅ Wide light spread, not tunnel vision

• ✅ Tough thermoplastic body and hardened glass lens

• ✅ Replaceable H1 halogen bulbs

• ✅ Proven in competition use

• ✅ Ideal for rally, road, endurance, and off-road

• ✅ In stock now at Race Rally Supplies

Available Now from Race Rally Supplies the HO2 is available in stock and ready to dispatch.

👉 Order online or get in touch with our team for advice