This is an additional or replacement seatpost bracket for the Bellelli Bicycle Baby Carriers: Model # 259855, 259873, 259853 or 259854 allowing quick switching of the Bellelli seat between bicycles.
• ADDITIONAL or replacement bracket for seatpost mounted Bellelli Bicycle Baby Carriers.
• QUICK RELEASE: Push button allows for the quick switching of the Bellelli seat between bicycles
• FITS MULTIPLE MODELS of Bellelli Baby Carriers: # 259855, 259873, 259853 or 259854
• FAST INSTALLATION: Minimal tools needed
• INCLUDES adapter screws for oversized frame, for seat tube diameter round 25 - 46 mm and oval 30 - 60 mm