When side visibility is your main concern, the Sentry has got your back. The brightest lightweight and easy to install rearlight in our range of lights. USB rechargeable and a bright beam thanks to the COB red LED. Developed for use on all sorts of bikes with round as well as aero seatposts. The Sentry mounts directly to the seatpost, without interference of a bracketmount.

Features & Specs

• COB (Chips On Board) red LED.
• USB rechargeable.
• Extra side visibility (StVZO approved).
• Round and aero seatposts.
• Battery indicator.
• Water resistant.
• 3 Modes: high beam, low beam and flash beam.
• Lithium polymer internal battery pack (550mAh, 3.7V).
• Micro-USB cable included.
• Weight: 31 grams.
• Dimensions: 70 x 37 x 26 mm.
• Colour: black.