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, also a built-in rear LED safety light for added visibility with additional reflective design accents, and an easy-to-adjust fit system.

- Tested and Certified to NTA 8776 E-Bike Helmet Standards
- Adjustable Top Vents (Slide Open/Close)
- Built-In Rear Light
- Rear-Facing Reflective Accents
- Adjustable Straps
- Easy-To-Adjust Fit System (Rear Knob)
- Weight: 484 Grams
- Vent Count: 8
- Sizes: S/M (54-58cm), L/XL (58-61cm)