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Brompton G Line Front Battery Light - Lezyne 500XL with bracket

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Brompton G Line Front Battery Light - Leanne 500XL light with G Line Bracket 

Brompton G Line Front Battery Light

Note: Video on details and installation will be here very soon!

This is a rechargeable batter front light for your G Line, the key features are as follows: 

  • Mounts to your G line front fork 
  • Bright with up to a 500 Lumen output and daytime flash 
  • IPX7 water resistant rated 
  • It has a maximum rub time of 20 hours and is rechargeable with a USB cable (not provided)
  • Machined aluminium body 
  • Battery capacity - 650 mAh

Note this light and bracket are not compatible with A, C, P or T line Brompton bicycles

Do not submerge the light into water, if you do dry it out thoroughly 

Brompton G Line front light package contents:

  • Brompton Lezyne 500XL light
  • G line fork mounting bracket 
  • Fitting instructions 

Brompton G Line front light fitting instructions:

To fit the bracket to your G Line: 

  • Remove the handle bar mounting bracket from the light - using a 4mm Allen key / hex wrench (not 9Nm as it says in the instruction data sheet)
  • Fit the O-Ring to the plastic mount and fit the mount to the underside of the light
  • To fit the bracket to the fork: remove the pedal holder and bolt by unscrewing the pedal holder with a 4mm Hex key
  • Fit the washer to the bolt, then insert the light bracket into the front fork, tighten the to 3Nm
  • To fit the light to the bracket - push until you hear a click 
  • To remove push the lever on the light up from the bottom 

Brompton G Line front light operation:

To operate: 

  • Press the on / off button for 2 seconds
  • To cycle modes press the on / off buttons 

G Line front light modes and run times: 

Mode Name Brightness Run time 
Blaste  500 lumens 1 hour
Nduroe 200 lumens 2 hours
Economy 100 lumens 4 hours
Femto 15 lumens 20 hours
Flash 1F 50 lumens 13 hours 30 mins
Lash 2 50 lumens 13 hhours 30 mins
Day Flash 500 lumens 5 hours 45 min
Pulse 50 lumens 15 h

Note - times are approximate (as provided by the supplier - not tested by us!

Battery indicator:

Colour Level
Illuminates green 100%
Illuminates yellow / red or green  50%
Illuminates red  10%
Flashes red 5%

Charging your Brompton G Line front light: 

  • Fully charge the light before first use
  • To charge, turn off the light
  • Remove USB protective cover
  • Insert USB charging cable (not provided) / USB charger
  • While charging the charge LED light will flash green
  • The light takes 3 - 4 hours to charge and the light will glow green when fully charged 
  • Once charged remove from the USB charger and replace the protective cover 

We made a short video about this light - how to install / charge and lighting modes

Brompton Q Part code: Q103714