J Top Mount Mini Single Track Measurements | Quick Ship
| J Top Mount Roller Measurements | |
| Height Above Door | 3-3/8 inches |
| Roller Thickness | 1-7/16 inches |
| Roller Width | 4-1/8 inches |
| Roller Height | 3-3/8 inches |
| Wheel Diameter | 1-11/16 inches |
| First Bolt Drop | N/A |
| Minimum Clearance between Top of Door and Ceiling | 4 inches |
| Track Width | 1 inch |
| Track Thickness | 3/16 inches |
| Total Track Weight Capacity | 50 lbs |
| Minimum Door Thickness | 1/2 inches |
| Maximum Door Thickness | 1-1/4 inches |
