Smith Optics Defy Colour:Lichen + ChromaPop Violet Mirror Lens then you need the Shimano

then you need the Shimano Di2 Bottle Cage Adaptor to move the battery upward

Their split-frame design provides an obstruction-free view of the road and trail with a lightweight feel that stays put through technical trails and full-gas descents

3 back pockets with reflective accents

Compatible with many 3rd party apps including SYSTM

Push-To-Inflate technology for fast

Smith Optics Defy Colour:Lichen + ChromaPop Violet Mirror Lens then you need the ShimanoDescription Whether you're running, rolling or sliding, a crisp view of the terrain translates to full speed ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain defining ChromaPop optics for unobstructed, high contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions. Product Details Vision ChromaPop