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The Trace 4 delivers a scarcely believable 360 lumens from a 35g package, which makes it the easiest light in your life to actually remember. It lives in a jersey pocket, a rucksack lid, a saddlebag or clipped to the bars all week. USB-C charges it fully in 90 minutes. A tough CNC-machined aluminium body and an IP67 rating mean British winters are not its problem. Whether you commute through traffic or head out on faster roads at the weekend, the Trace 4 punches well above its weight.
The Trace 4 delivers a scarcely believable 360 lumens from a 35g package, which makes it the easiest light in your life to actually remember. It lives in a jersey pocket, a rucksack lid, a saddlebag or clipped to the bars all week. USB-C charges it fully in 90 minutes. A tough CNC-machined aluminium body and an IP67 rating mean British winters are not its problem. Whether you commute through traffic or head out on faster roads at the weekend, the Trace 4 punches well above its weight.
Exposure

Exposure Trace TraceR Reakt Mk4

£110.00
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Exposure Trace TraceR Reakt Mk4

Season:2026

Brand:Exposure

Code:EXPTRACEPACK4RAGMB

The TraceR 4 ReAKT pays attention. It flares up when you brake and when the light around you gets brighter, then eases off for the rider sitting on your wheel. All of that comes from a 35g package delivering up to 200 lumens, charged over USB-C in 90 minutes. A CNC-machined aluminium body and IP67 rating mean it shrugs off a British winter. Pair it with the Trace 4 front light and you are properly visible, day or night, at either end of the bike.

In the box:Trace 4 DB GMB & TraceR 4 ReAKT Daybright, Seatpost Mount, Handlebar Mount, 2 x USB - C Charge Cable.

Battery Status

A single press of the power button while the light is off displays the battery level for five seconds, providing a quick and convenient way to stay informed and prepared for every ride. This battery status is also displayed when the light is turned off.

Size

Engineered with a sleek, adaptable form factor, it integrates effortlessly into any environment while providing exceptional performance on demand.

Side visibility

Our optically clear 270° Commute Lens enhances side illumination, ensuring you stand out from every angle on the road. Whether you’re navigating dark paths or city streets, this setup delivers maximum visibility, safety, and rider confidence.

Weatherproof

Class leading waterproof ratings mean you will never be let down in any situations, and you can always depend on your light

Weight

Delivers up to 40 hours of runtime from a product weighing only 38 grams with no compromise to strength or durability.

Engineering

Our CNC-machined 6063 aerospace-grade aluminium body is built to withstand the toughest conditions, with a scratch resistant polycarbonate front lens this light is designed to withstand all that you can through at it

Built to last, serviced to endure

We offer an extra year warranty to all purchases made through our site. This means you will have 3 year warranty on all of our lights and the LED’s inside are covered by a lifetime guarantee! Ensuring peace of mind with every purchase.

Our lights are designed to last a lifetime, so we carry out servicing and repairs on lights well beyond the warranty period - simply get in touch if you ever need us - we've got you covered!

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