Selling a brand new Lumos helmet in box (one size 54-61cm, white) for $100 (retails at $190). Comes with wireless remote for handlebars. From the website: "Lumos is the world's first smart bike helmet that beautifully integrates lights, hard brake, turn signals, and helmet into a single cohesive whole. Features 48 individual LEDs in the front and back to ensure your visibility on the road." https://lumoshelmet.co/products/lumos-helmet