SERFAS KILOWATT E BIKE HELMET Category_Bike Derailleurs 000 mm 5000g] 139278 000 mm 5000g] Ribbed cuffs and hem SERFAS KILOWATT E BIKE HELMET• The Serfas® Kilowatt is E Bike certified and features adjustable venting which be can be opened or closed depending on how much air flow you want• The built in rear LED safety light is for added visibility with additional reflective design accents and an easy to adjust fit system• In mold construction• 8 large Vents include adjustable Top Vents (Slide Open Close) for warmth and protection from the elements• Built In Rear Light• Rear Facing Reflective Accents• Adjustable Straps• Easy To Adjust Fit System (Rear Knob)• Specs: Weight: 484 Grams All around protection Available Colors: Gloss Serfas® Orange