Femto Drive Rear Light run With effortless efficiency and quiet

With effortless efficiency and quiet compliance

While it might be the magic that gets them all the love

Pro tip: forget sucking oxygen at some aid station

6 in Length (Metric): 12 cm Height (Standard): 2 in Filter media: Ceramic Plus Carbon Cartridge life: 2000 liters Material(s): Ceramic Country of Origin: Made in the U

Femto Drive Rear Light run With effortless efficiency and quietThe Femto Drive Rear is an ultra compact safety light with integrated lens on off switch. The CNC machined aluminum construction increases durability and the Side Visibility Lens extends beyond body to provide 180 degrees of visibility. Two replaceable CR2032 batteries power one bright LED at up to 7 lumens with five output flash options. A patented, highly versatile 2 in 1 clip strap system allows it to strap to handlebars or clip to saddle bags,