Sirius MK9 Gun Metal Black +TraceR ReAKT MK2

More Information
Exposure Technologies ReAKT, OMS, ITM, CFD, SPT+, Fuel Gauge
Colour Options BLACK

The Sirius + TraceR MK2 ReAKT Pack is a premium package with high power in a compact front light that is as at home in either a road race or lighting the urban commute.  Combined with an intelligent and extremely lightweight rear light featuring Ambient Kinetic Technology (ReAKT) enables the light to automatically flare under braking and when entering areas of higher ambient light to create a contrast in brightness.

Be Seen Be Safe

Bespoke pulse pattern designed for daylight use which is more conspicuous than a regular pulse and visible from over a kilometre away, even in the brightest conditions. DayBright mode will get you noticed. Be Seen Be Safe.

Intelligent rear lighting

Rear lighting that flares up automatically under braking. It can also intelligently adapt to the surrounding ambient light conditions to maintain maximum contrast and visibility, for example brightening for street lit areas and moving into sunlight from shade.

Optimised Mode Selector

Various programs in the lights can easily be selected to offer a choice of run times and modes so you can find the right one for your ride, be it an all-night adventure or an intense blast.


LED Configuration
1 x White XPL2|1 x Red XPE-R
Max Front:850|Rear:75 (ReAKT 150) (Measured)
Front:2900mAh|Rear:700mAh Lithium Ion
Front:1.5-36|Rear:3-24 hours
Charge Time
4 hours
Sirius MK9 84g|Treacer MK2 ReAKT 35g
Anodised 6063 Aluminium
Water Resistance
Head Diameter
In The Box
Sirius MK9 DB, TraceR ReAKT, Seatpost Mount, Handlebar Mount, 1 x Micro USB Charge Cable, 1 x USB Charge Cable, QS Guide