Use the Internal Hub Hitch Shimano Adapter to attach your Thule(R) Bike Trailer to your bike for a ride around town or training session with your little one. Made for Thule(R) Bike Trailers and bikes with an internal Shimano hub, this adapter easily and securely connects your bike trailer to your bike. With the Thule(R) 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(R) Bike Trailer to your bike Made for use with Thule(R) 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.