Shimano ULTEGRA CS-R8000 11-Speed Cassette Size:- 11-25 Tooth and works with our StreamLine

and works with our StreamLine towers to get the heavy duty job done right

This single-speed trailer cycle helps kids learn balance while offering superior handling

Works on even the toughest of grime

5" (650B) & 700c wheels with disc brakes A wrap-around seat structure creates a virtual cocoon of protection and features an updated shoulder harness with a multiple height adjustment system

Shimano ULTEGRA CS-R8000 11-Speed Cassette Size:- 11-25 Tooth and works with our StreamLineSHIMANO ULTEGRA 11 Speed HG EV Road Cassette Sprocket System engineered for use with the SHIMANO ULTEGRA R8000 groupset, the R8000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG EV and HG X11 chains. High performance gear combinations provide superior rider choice