These lights are really bright, but the information in the pamphlet about how to use them is really thin. I've had them for a few weeks now and I am still trying to work out how to do simple things like turn them on (!) and change modes. For example, the instructions say that to switch between steady/flash, you should double click the 'on' button. Through a few minutes of trial and error I worked out that the unit needs to be turned off for this double click sequence to work. I've looked online for instructions and there is a video that's a few minutes long but has no voiceover. I've attached a photo of part of the instructions: kudos to anyone who can distinguish between the symbols for Low battery and Fully Charged. So I would only recommend these lights if you have a big appetite for sitting in front of some inadequate product descriptions and working through them to discover for yourself what is missing. If, like me, you want to plug your lights in and go, prepare for some panicked pre-TT button pressing trying to work out how to turn them on (hold 'on' button for 8 seconds to get out of locked mode) and mid-ride battery expiry because you couldn't work out if they were fully charged or not (I don't think there is any 'charge remaining' indicator either).
Product Details
Moon MX GPS Bar Mount Front Light and Cerberus Rear Light Set
Stay seen from every angle with the Moon MX GPS Bar Mount Front Light and Cerberus Rear Light Set, ideal for long training rides and ensuring visibility on the commute. The Moon MX GPS Bar Mount Front Light is a smart little device that holds a bike computer, keeping the handlebars uncluttered and combining data recording with added safety. On top of this, this multifaceted front light can connect with up to five rear lights to control them simultaneously with the USB-C remote control system - convenient for changing modes or switching on or off mid-ride. The safety credentials of this water-resistant light are boosted by its overheat protection system and CNC aluminium heat sink casing, which ensures product longevity by absorbing excessive heat to avoid damage.
The Cerberus Rear Light is complete with a light and motion sensitive automatic ON/OFF feature, which aids efficient battery use, and boasts five solid or flashing modes to choose from. Depending on which mode is selected, battery life can last from just under two hours to just over 20 - guaranteeing illumination for the longest days in the saddle. Durability is a given thanks to its waterproof construction.
Both lights also provide side visibility and a charge level indicator, so knowing when to recharge with the provided USB-C cable is never left to chance. Fix the Moon MX front light to the handlebars and attach the Cerberus rear light to aero or round seatposts with the three included O-rings.
Features
- MX GPS Bar Mount Front Light:
- Light source: CREE LED
- Maximum lumens: 400
- Modes: Boost: 400 lumens / Mode 1: 250 lumens / Mode 2: 100 lumens / Flash 1: 100 lumens / Flash 2: 300 lumens / Day flash: 60 lumens
- Run time: Boost: 1 hour 30' / Mode 1: 2 hours 10' / Mode 2: 6 hours / Flash 1: 34 hours / Flash 2: 12 hours 50' / Day flash: 43 hours
- Battery: 1200mAh Lithium Polymer
- Recharge time: 2 hours 30'
- Recharge device: USB-C cable
- Dimensions: 115.5 x 48 x 34mm
- Cerberus Rear Light:
- Light source: LED
- Maximum lumens: 150 lumens
- Modes: Mode 1: 25 lumens / Mode 2: 50 lumens / Flash 1: 25 lumens / Steady flash: 25 lumens / Day flash: 150 lumens
- Run time: Mode 1: 3 hours 30' / Mode 2: 1 hour 45' / Flash 1: 20 hours 15' / Steady flash: 13 hours 45' / Day flash: 19 hours
- Battery: 500mAh Lithium Polymer
- Recharge time: 2 hours
- Recharge device: USB-C cable
- Dimensions: 18 x 27 x 64mm
- What's included: 1 x MX GPS Bar Mount Front Light, 1 x Cerberus Rear Light, 2 x USB-C charging cable, 3 x O-rings for mounting, 1 x M-GA (Garmin/Wahoo insert), 1 x M-BR (Bryton insert)
Specifications
- Connectivity Type
- USB
- Power Source Type
- Rechargeable Battery
- Primary Product Type (Electronics)
- Bike Light Set
- Battery Life (Typical Use, Hours)
- 20 hrs
- Beam Pattern / Use
- Daytime Flash
- Charging Interface
- USB-C
- Dimensions (L x W x H mm)
- 115.5 x 48 x 34
- Discipline Compatibility
- Road, Commute
- Display Type
- No Display
- Maximum Light Output (Lumens)
- 400 lm
- Mounting Location
- Handlebar, Seatpost
- Mounting Location (Lights)
- Handlebar, Seatpost
- Number of Modes
- 5
- Runtime at Max Mode (Hours)
- 2 hrs
- Product code
- 1214389 / 54295867392346
Reviews
I have started to use these in August as the nights draw in and the mornings are start a littler darker, perfect to make myself more visible on the road. Easy to set up and not bulky on my bike. Very pleased with the set.
Shipping & Returns
Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.
Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.
Q & A
1 question answered
Will this MX GPS BAR MOUNT FRONT LIGHT be compatible with Wahoo Roam ? Thank you !
Hello, I can confirm that this would not be compatible with the Elemnt Roam. Many Thanks Liam





