Fantasma Owl BK-2082 is a revolutionary Patented LED wheel lighting system that is designed to fit a standard 20 steel-spoke bicycle wheel. This package includes: Two LED lighting Devices (to be installed on one bicycle wheel). Mounting kits. Image designer CD-ROM. User Manual. Adjustable Magnet holder. One Mini USB Cable. Buy this product and Save $40 Off on a Fantasma OWL Bicycle On-Wheel LED Imaging System BK-2082 (20"-up) for $79.99 with free shipping at Rakuten.com.