Sirius MK9 +TraceR MK2 ReAKT Peloton - Gun Metal Black - Ultimate Sports Engineering Ltd

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The Nitty Gritty:

IP Rating IP6
Max Lumens 850/120
Battery 2,900 mAh/700 mAh
Runtime 1.5 - 36/3 - 24 Hours
Charging Time 4 Hours/3 Hours
Weight 84g/35g
Material Anodised 6063 Aluminium
Length 110mm/57mm
Head Diameter 28mm/28mm
In The Box Sirius MK9 DB, TraceR MK2 ReAKT, QR Seatpost Mount, QR Handlebar Mount, 1 x Micro USB Charge Cable, 1 x USB Charge Cable, QS Guide.

Sirius MK9 +TraceR MK2 ReAKT Peloton - Gun Metal Black


Sirius MK9 +TraceR MK2 ReAKT Peloton - Gun Metal Black
Sirius MK9 +TraceR MK2 ReAKT Peloton - Gun Metal 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.

In the box:Sirius MK9 DB GMB, TraceR MK2 ReAKT, Seatpost Mount, Handlebar Mount, 1 x Micro USB Charge Cable, 1 x USB Charge Cable, QS Guide.

Out Of Stock

Quick Stats:

1.5 - 36/3 - 24
Hours Runtime
Lumens Measured Output
Grams Weight



Smart Port+ enables the charge port to accept auxiliary accessories such as rear lights, remote switches, Support Cells and use your light as a power bank to charge USB devices.


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.


Patented circuitry within the light will reduce power to the LEDs, if they go beyond the optimum temperature, keeping the light as efficient as possible to maximise output and battery capacity. Once the light has cooled, the power is automatically restored.

Fuel Gauge Fuel Gauge

Using a traffic light system remaining runtime is easily monitored at a glance so you’re not caught out. The colour feedback is also used for mode selection, before defaulting back to runtime.

Daybright Daybright

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



Specifications Sirius TraceR ReAKT
Output 850 lumens 120 ReAKT Flare, 75 lumens red
Weight 84grams 35grams
Burntime Min 2 hrs Max 36 hrs Min 2 hrs Max 36 hrs
Battery Capacity 2900 mAh Li ion 700 mAh Li ion
Dimensions (mm) Length - 110, Head - 28, Back – 28 Length - 57, Head - 28, Back – 19
LED 1x XPL2 1x XPE-R


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Name File Type Date Modified
EXPUG1.4 PDF Oct 07 2021
EXPUG4.5 PDF Oct 07 2021

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