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Exposure Blaze Mk3 Rear Bike Light - £115.00 £80.50

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Exposure Blaze Mk3 Rear Bike Light

Despite its compact size, the Blaze MK3 offers you a bright 80 lumens output plus Exposures advanced ReAKT technology, which senses sudden decelerations when you brake and flares the light up to 150 lumens. This ensures you cant be missed by other road users behind you, even in bright sunlight or street lit areas. Held in a tough aluminium case, this durable and reliable rear bike light is fully waterproof for riding in poor conditions, has six different light modes and a battery life of up to 48 hours.


  • Casing Material: Anodised 6063 Aluminium
  • Light Source: Red XPE-R Cree LED
  • Maximum Output: 80 lumens (ReAKT 150)
  • Programs: 6
  • Waterproof: Yes, IPX6 water resistance
  • Dimensions: 70x28mm
  • Rechargeable Battery: Yes, lithium-ion battery
  • Run Time: 6-48 hours battery life (depending on setting)
  • Recharge Time: 4 hours full recharge time
  • Battery Removeable: No
  • Charger Included: Yes, USB charging cable
  • Seatpost Compatibility: Universal due to strap mount
  • Technologies: ReAKT, OMS, ITM, CFD, SPT+, Fuel Gauge
  • Use: Road, Gravel, Hybrid
  • Visibility from over 1 kilometre away
  • 240° visibility
  • Integrated fuel gauge
  • ReAKT technology
  • DayBright beam
  • Cable-free design
  • Weight: 77g

Run Times:

  • High Constant: 6 hours
  • High Flashing: 12 hours
  • Medium Constant: 12 hours
  • Medium Flashing: 24 hours
  • Low Constant: 24 hours
  • Low Flashing: 48 hours

In the Box:

  • Blaze Mk3 rear light
  • Seatpost bracket
  • USB charging cable
  • Quick start guide


  • ReAKT: 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
  • DayBright Setting: This Bespoke pulse pattern is designed for daylight use and 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
  • Cable Free Design (CFD): The battery is housed within the body of the light so there are no cables or separate battery units giving a neat solution with less opportunities for water ingress, mounting difficulties and crash damage. Combined with the renowned quick release mounting bracket, this light is easy and quick to mount with rock solid attachment

Exposure Lights from Chain Reaction Cycles, the Worlds Largest Online Bike Store.

On sale at Chain Reaction Cycles

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