Includes Surly DUH system drive side and non-drive side geared chips and hardware as well as a UDH hanger for a complete geared setup. You will also need a 12mm thru-axle 175mm length 1.0 thread pitch to complete the setup.
If you don't see exactly what you need or have questions about any product, contact us and we'll do our best to answer your questions and help you find what you need.
