Skip Navigation
Website Accessibility
Sonic Cargo Box
- Patented AeroNose Design reduces drag and noise making it the most aerodynamic box available.
- Patented Rear-Angled Base and expanded vehicle mounting points help maximize trunk and hatch clearance.
- AcuTight Mounting “clicks” when you reach optimal hold to ensure your box is secured to the rack.
- SecureLock ensures that all gear is locked and box is properly closed prior to driving
| |
Alpine |
Medium |
Extra Large |
Extra Large |
| Volume (cu) |
10 |
13 |
17 |
22 |
| Length (in) |
96 |
73 |
90 |
100.5 |
| Width (in) |
27.5 |
34.5 |
34.5 |
37.5 |
| Height (in) |
11 |
16 |
16 |
17 |
| Weight (lb) |
40 |
40 |
51 |
63 |
| Mounting system |
Acu-Tight |
Acu-Tight |
Acu-Tight |
Acu-Tight |
| Box Opening |
Dual-Side |
Dual-Side |
Dual-Side |
Dual-Side |
| Central lock |
√ |
√ |
√ |
√ |
| Max Ski length (cm) |
216 |
158 |
201 |
227 |
| Fits Aero Profile |
√ |
√ |
√ |
√ |
| Fits Square Bar |
√ |
√ |
√ |
√ |
| SKU No |
633S or 633B |
634S or 634B |
635S or 635B |
636S or 636B |