Trackr Radar Dura-Ace Di2 one layer of yellow tape

one layer of yellow tape in the bed of your rim is all you need for most rims

Lifetime Warranty

PressFit 30 (PF30)

Pedal System :Single Sided

Rim External Width: 19

Trackr Radar Dura-Ace Di2 one layer of yellow tapeMeet TRACKR RADAR, an all in one tail light and radar built to keep you aware, visible, and in control. With real time vehicle detection, adaptive lighting, and seamless integration with ELEMNT bike computers and the Wahoo App, it enhances your ride without adding distractions. Its sleek, road ready design, long lasting battery, and versatile mounting system ensure confidence in every mile. Stay alert, see whats coming, and ride with total focus.