A combination of the Spy headlight and rear light
Install the lights anywhere on your bike
Bajonet closure for quickly (dis)mounting the lights
Including multifunctional helmet/arm mount
Specifications
Set of Spy (BLS-121) headlight and Spy (BLS-122) rear light.Helmet/arm mount and handlebar/seatpost bracket included. Helmet bracket included: Yes.Height x width x length (mm): 36 x 48 x 51.
https://youtu.be/X5DUOnDxI_I