A stylish water bottle cage allows you to add tools, CO2 inflator kit or inner tube holder with interchangeable Cage Mount and is compatible with all Ninja Cage accessories for basic repair and maintenance.MATERIALEngineering grade polymerCAGE OUTER DIAMETERFits standard water bottlesCOMPATIBILITYNinja Master+ Cage accessoriesSIZE14.9 x 8.3 x 7.8 cm / 5.9" x 3.3" x 3.1"WEIGHT38.5 g / 1.36 oz