This rolling tire rack organizes and protects up to four tires or rims while making them easy to move. It combines full mobility with secure braking and an adjustable crossbar so the same rack adapts to different tire sizes and vehicle types. Key benefits Move tires where you need them: 360 degree universal casters allow easy repositioning. Two locking wheels keep the rack firmly in place when parked. Protect floors and reduce noise: mute and nonslip wheels minimize floor marks and reduce movement noise during transport. Save time and effort: a mobile, stable platform makes seasonal tire changes, storage, and workflow faster and safer. Flexible fit: adjustable crossbar adapts to a range of tire sizes so one rack works for passenger cars, large SUVs, and light to heavy trucks. Features and specifications Mobility: 360 degree universal wheels for smooth rolling and precise positioning. Two brake wheels for secure locking. Capacity options: holds up to four regular tires with diameter up to 71 cm (28 in) and width up to 25.4 cm (10 in); holds up to four rims with diameter up to 60 cm (23.6 in) and width up to 25 cm (9.8 in); holds up to four semi tires with diameter up to 71 cm (28 in) and width up to 25.4 cm (10 in). Adjustable crossbar: easily change the crossbar position to match tire diameter and width for a snug, stable fit. Compatibility: designed to accommodate tires for passenger cars, large SUVs, light trucks, medium trucks, and heavy trucks. Practical use scenarios Home garage: store a seasonal tire set on casters for quick access and out of the way placement when not in use. Professional : move tires between service bays and lock the rack for secure temporary storage during vehicle changes. Storage facility or fleet depot: stage spare tires for large SUVs and trucks and transport them easily within the facility. User guidance Measure tire diameter and width before loading to confirm fit. Lock the two brake wheels after moving the rack into position to prevent rolling. Adjust the crossbar to support the tire profile and keep stacked items stable. This rack provides a mobile, adjustable, and secure solution for storing and transporting up to four tires or rims, reducing handling time and protecting both tires and floors.