3D Printed saddle rail mount bracket in carbon fibre-infused material for a tidy rear light setup. Designed and made in Swanage, Dorset, UK. Dispatched within 1-2 business days. Compatibility note: designed to fit the Bontrager Flare RT rear light. This is an independent third-party accessory and is not affiliated with, endorsed by, or sponsored by Trek Bicycle Corporation or Bontrager.