The CatEye RD300W Parts Kit works with your computer to provide information about your ride. Included in the kit is a speed sensor, speed sensor mounts, computer mount, wheel magnet and zip ties. The kit is easy to install and comes with everything needed to get you on the road.• RD300W Parts Kit
• Includes speed sensor, speed sensor mounts, computer mount, wheel magnet and zip ties
• Easy to install
• Comes with everything needed