Shimano ULTEGRA CS-R8000 11-Speed Cassette Size:- 11-25 Tooth This single-speed trailer cycle helps

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

laced saddle flaps allow for increased tension and preserve the saddle’s shape

Equipped with a reach adjust mechanism that allows for the distance from handlebar to lever to be adjusted in order to suit any hand size and riding preference

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

Great for most hybrids with a 6/7/8 speed freewheel

Shimano ULTEGRA CS-R8000 11-Speed Cassette Size:- 11-25 Tooth This single-speed trailer cycle helpsSHIMANO 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