By using POC's Whole Helmet Concept™

while reflective details and a loop for a bike light increase your visibility in the dark

it's fully biodegradable

durable IGUS bushings and tire clearance up to 2

Knog Plus Rear Bike Light Brightness:20 Lumens By using POC's Whole HelmetThe Knog Plus Rear Bike Light is a super bright 20 lumen rear light that makes you highly visible in traffic. It can be easily mounted on your bike or clipped to clothing, helmet or backpack, providing maximum flexibility for both commuters and fitness cyclists. The light works great as both a primary light for shorter rides and as an additional safety light for longer sessions. The sleek, ultra light design means it's barely noticeable when not in