Spoke Wheel Double Track Measurements | Quick Ship
| Spoke Wheel Roller Measurements | |
| Height Above Door | 9 inches |
| Total Track Thickness | 6-5/8 inches |
| Wheel Diameter | 4-3/4 inches |
| Roller Width | 1-9/16 inches |
| Roller Height | 13-1/2 inches |
| Max Door Thickness | 1-3/4 inches |
| Inner Door Clearance | 2-1/2 - DT inches |
| Outer Door Clearance | 3-5/8 - DT inches |
| Minimum Clearance between Top of Door & Ceiling | 9-1/2 inches |
| Track Width | 1-1/2 inches |
| Track Thickness | 1/4 inches |
| Total Track Weight Capacity | 220 lbs |
| Minimum Door Thickness | 1-3/8 inches |
| Maximum Door Thickness | 1-3/4 inches |
