Mountain Lab Helmet Flashlights ECU if you put the stack

if you put the stack on a stock bike with stock ECU

anti-rotation YPxx1055-12-7070 /

YASU2152 / 2152 / CDCMYASU2152 YASU2155LH Suspension rail assembly

48-190mm - Orange YPSP1432 / 1432 / CDCMYPSP1432OR YPSP1432RD Spindle fork clamp RH

then you can use it for the first minute or two before starting to ride

Mountain Lab Helmet Flashlights ECU if you put the stackDescription We never ride without one! Whether you are a fan of the night ride and are complementing a sweet LED Lightbar, or just need to make sure you'll make it back to the truck, a versatile high quality flashlight is a game changer. The Mountain Lab options are powerful and robust, and beat most competitors when it comes to bang for buck with brightness and battery capacity. Directly compatible with GoPro helmet mount and other GoPro accessories