Use the Internal Hub Hitch Shimano Adapter to attach your Thule® Bike Trailer to your bike for a ride around town or training session with your little one. Made for Thule® Bike Trailers and bikes with an internal Shimano hub, this adapter easily and securely connects your bike trailer to your bike. With the Thule® Bike Trailer Internal Hub Hitch Shimano Adapter installed, you can safely tow your child along for outdoor adventures. FEATURES: Bike trailer internal hub hitch adaptor Allows you to attach your Thule® Bike Trailer to your bike Made for use with Thule® Bike Trailers Designed for use with bikes that have an internal Shimano hub Easy to install Manufacturer’s warranty: Limited lifetime For additional information relating to the Manufacturer's Warranty, please contact 1-800-238-2388.