Exposure Lights Sirius MK7 +TraceR ReAKT Light Set  is the 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 and can be adapted easily with a choice of 7 programs as well as USB convenience as well as Smart Port+, allowing the addition of optional accessories including Support Cells and remote switch.


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.

Peloton mode utilises ReAKT Technology for use in a chain gang by dimming upon detection of a rider’s front light, preventing a dazzling effect, but flaring up as a beacon at the tail of the pack.

Both lights feature USB convenience, a choice of 6 burn times per light, DayBright flash pattern and side illumination for 360 visibility.



LED Configuration: 1 x White XPL-2 Cree LED, 1 x Red XPE-R Cree LED

Lumens: Max 750 Front | Max 80/With ReAKT 150 Rear


Battery: 2900|700 mAh Lithium-Ion

Runtime: 1.5 - 36hrs|3hrs - 24hrs

Rechargeable: Mains and USB

Charge Time: 3hrs


Weight: 84|35g

Anodised 6063 Aluminium

Water Resistance IPX6


Length: 110|70mm

Head Diameter: 28|28mm

What's In The Box

Sirius MK7

TraceR MK3 ReAKT Peloton

Handlebar Mount

Seatpost Mount

2 X USB charge cable

Quick start guide

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