SolidTrax Track Dolly Wheels, Set of 4, for Modus System Magnet Wheel size: 3” rubber with

Wheel size: 3” rubber with metal ball bearings

lightweight battery adapter plate accepts Sony NP batteries that last up to 5 hours or more

and studio configurations

Recheck Pump every 90 minutes

Adapter that lets you mount a ProAm USA camera crane to any tripod

SolidTrax Track Dolly Wheels, Set of 4, for Modus System Magnet Wheel size: 3” rubber withComplete set of four SolidTrax quad wheel assemblies for building a track dolly using the Modus platform. The set includes 16 polyurethane wheels and 32 precision bearings total, giving you everything needed to convert a Modus platform into a smooth rolling track dolly. Each assembly is fitted with dual ball bearing sets for smooth rotation on both straight and curved tracks. They fit tracks from 3 4 to 2 and mount to the Modus platform with included