Welcome to Arthur Caygill Cycles

Safety first, the AMPP500 comes with maximum side visibility, securely held in place with our adjustable FlexTight™ bracket.


Rechargeable headlight (500 lm)
Wide beam with OptiCube™ lens technology
Excellent side visibility
Low battery indicator (Illuminates in red with less than 20% battery remaining)
USB rechargeable (Micro-USB cable included)
Mode memory function
Four light modes (High / Low / Daytime HyperConstant / Flashing)
Turns on High mode with double-click of power button
FlexTight™ bracket
Improved release button has made it easy to remove the light unit from the bracket
Helmet mount and center fork bracket (optional)