Femto Drive Rear Light run Adjust tire fit to resistant

Adjust tire fit to resistant unit with a convenient turn knob

Pro tip: forget sucking oxygen at some aid station

With effortless efficiency and quiet compliance

Micro-adjust laser-etched setup markings

Femto Drive Rear Light run Adjust tire fit to resistantThe 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,