SYNETICUSA® CB Adjustable Crossbars Heavy Duty With T-Slot Channel
Product Specification
| Specification | Details |
|---|---|
| Product Type | Crossbar with T-slot system |
| Material | Heavy-duty aluminum with powder-coated finish |
| Crossbar Dimensions | Approx. 2" height / 2.75" width |
| Base Dimensions | 6" height / 5" width / 4" thickness |
| Adjustable Spacing | 19" – 30" (anywhere along the cover rails) |
| Weight Capacity (On-Road) | Up to 500 lbs evenly distributed |
| Weight Capacity (Off-Road) | Up to 380 lbs evenly distributed |
| Mounting System | Bolt-on installation, no drilling required |
| Accessory Mounting | Dual-side T-slot channels |
| Compatibility | Works with most T-slot accessories and Yakima mounts |
| Truck Type | Length | Height |
|---|---|---|
|
Full-Size Trucks (F-150, Ram, Tundra, Titan, Silverado, Sierra) |
76" | 7" |
|
Mid-Size Trucks (Tacoma, Ranger, Colorado, Canyon, Frontier, RAMBOX, Maverick, Gladiator) |
66" | 7" |
* When installed on RAMBOX trucks, the side storage boxes will open to approximately 75% capacity and will not fully extend. Please confirm this limitation before purchase.
Important Fitment Notice
By purchasing the Retrax mounting bolts for use with our rack system, you acknowledge and accept that this installation is considered a custom fit. The appearance and fitment may differ from the product photos shown.
The product images represent our rack installed on compatible Syneticusa bed covers, for which the mounting hardware is specifically designed. When used with other bed cover brands, including Retrax, modifications to the fitment or installation may be required, and the final appearance may vary.
Please review this information carefully before purchasing.
Crossbar with T-Slot – Built for Versatility & Strength
Upgrade your truck with a premium crossbar with T-slot, engineered for durability, flexibility, and seamless accessory mounting. Designed for both daily use and overland setups, this system provides a solid foundation for carrying gear while maintaining a clean, low-profile look.
Constructed from heavy-duty aluminum with a durable powder-coated finish, this truck bed crossbar system delivers long-lasting performance in all environments—whether on-road or off-road.
Built to Handle Real Loads
This crossbar with T-slot is designed for strength and adaptability. With a reinforced structure and integrated tie-down capability, it allows you to secure cargo with confidence.
- Up to 500 lbs on-road capacity (evenly distributed)
- Up to 380 lbs off-road capacity (evenly distributed)
- Compatible with popular accessories including kayaks, bikes, rooftop tents, and cargo carriers
T-Slot System for Maximum Expandability
Each crossbar with T-slot features dual-side T-slot channels, allowing you to mount accessories quickly and securely.
- T-slot channels on both sides of the crossbar
- Easy mounting for racks, carriers, and overland gear
- Compatible with most T-slot accessories and mounts
This design ensures your setup can grow with your needs—no limitations, no complicated modifications.
Optimized Design & Easy Installation
Engineered for convenience, this system features a bolt-on installation with no drilling required, making it ideal for quick upgrades.
- Approximate 2-inch thick crossbar for added strength
- Adjustable spacing between crossbars: anywhere along the tonneau cover rails
- Quick-change mounting system for easy installation and removal
Note: For compatibility with Retrax tonneau covers featuring T-slot rails, a separate t-slot bolts purchase is required.
Product Information
Product Information
Shipping & Returns
Shipping & Returns






SYNETICUSA® CB Adjustable Crossbars Heavy Duty With T-Slot Channel
SYNETICUSA® CB Adjustable Crossbars Heavy Duty With T-Slot Channel
Product Specification
| Specification | Details |
|---|---|
| Product Type | Crossbar with T-slot system |
| Material | Heavy-duty aluminum with powder-coated finish |
| Crossbar Dimensions | Approx. 2" height / 2.75" width |
| Base Dimensions | 6" height / 5" width / 4" thickness |
| Adjustable Spacing | 19" – 30" (anywhere along the cover rails) |
| Weight Capacity (On-Road) | Up to 500 lbs evenly distributed |
| Weight Capacity (Off-Road) | Up to 380 lbs evenly distributed |
| Mounting System | Bolt-on installation, no drilling required |
| Accessory Mounting | Dual-side T-slot channels |
| Compatibility | Works with most T-slot accessories and Yakima mounts |
| Truck Type | Length | Height |
|---|---|---|
|
Full-Size Trucks (F-150, Ram, Tundra, Titan, Silverado, Sierra) |
76" | 7" |
|
Mid-Size Trucks (Tacoma, Ranger, Colorado, Canyon, Frontier, RAMBOX, Maverick, Gladiator) |
66" | 7" |
* When installed on RAMBOX trucks, the side storage boxes will open to approximately 75% capacity and will not fully extend. Please confirm this limitation before purchase.
Important Fitment Notice
By purchasing the Retrax mounting bolts for use with our rack system, you acknowledge and accept that this installation is considered a custom fit. The appearance and fitment may differ from the product photos shown.
The product images represent our rack installed on compatible Syneticusa bed covers, for which the mounting hardware is specifically designed. When used with other bed cover brands, including Retrax, modifications to the fitment or installation may be required, and the final appearance may vary.
Please review this information carefully before purchasing.
Crossbar with T-Slot – Built for Versatility & Strength
Upgrade your truck with a premium crossbar with T-slot, engineered for durability, flexibility, and seamless accessory mounting. Designed for both daily use and overland setups, this system provides a solid foundation for carrying gear while maintaining a clean, low-profile look.
Constructed from heavy-duty aluminum with a durable powder-coated finish, this truck bed crossbar system delivers long-lasting performance in all environments—whether on-road or off-road.
Built to Handle Real Loads
This crossbar with T-slot is designed for strength and adaptability. With a reinforced structure and integrated tie-down capability, it allows you to secure cargo with confidence.
- Up to 500 lbs on-road capacity (evenly distributed)
- Up to 380 lbs off-road capacity (evenly distributed)
- Compatible with popular accessories including kayaks, bikes, rooftop tents, and cargo carriers
T-Slot System for Maximum Expandability
Each crossbar with T-slot features dual-side T-slot channels, allowing you to mount accessories quickly and securely.
- T-slot channels on both sides of the crossbar
- Easy mounting for racks, carriers, and overland gear
- Compatible with most T-slot accessories and mounts
This design ensures your setup can grow with your needs—no limitations, no complicated modifications.
Optimized Design & Easy Installation
Engineered for convenience, this system features a bolt-on installation with no drilling required, making it ideal for quick upgrades.
- Approximate 2-inch thick crossbar for added strength
- Adjustable spacing between crossbars: anywhere along the tonneau cover rails
- Quick-change mounting system for easy installation and removal
Note: For compatibility with Retrax tonneau covers featuring T-slot rails, a separate t-slot bolts purchase is required.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Specification
| Specification | Details |
|---|---|
| Product Type | Crossbar with T-slot system |
| Material | Heavy-duty aluminum with powder-coated finish |
| Crossbar Dimensions | Approx. 2" height / 2.75" width |
| Base Dimensions | 6" height / 5" width / 4" thickness |
| Adjustable Spacing | 19" – 30" (anywhere along the cover rails) |
| Weight Capacity (On-Road) | Up to 500 lbs evenly distributed |
| Weight Capacity (Off-Road) | Up to 380 lbs evenly distributed |
| Mounting System | Bolt-on installation, no drilling required |
| Accessory Mounting | Dual-side T-slot channels |
| Compatibility | Works with most T-slot accessories and Yakima mounts |
| Truck Type | Length | Height |
|---|---|---|
|
Full-Size Trucks (F-150, Ram, Tundra, Titan, Silverado, Sierra) |
76" | 7" |
|
Mid-Size Trucks (Tacoma, Ranger, Colorado, Canyon, Frontier, RAMBOX, Maverick, Gladiator) |
66" | 7" |
* When installed on RAMBOX trucks, the side storage boxes will open to approximately 75% capacity and will not fully extend. Please confirm this limitation before purchase.
Important Fitment Notice
By purchasing the Retrax mounting bolts for use with our rack system, you acknowledge and accept that this installation is considered a custom fit. The appearance and fitment may differ from the product photos shown.
The product images represent our rack installed on compatible Syneticusa bed covers, for which the mounting hardware is specifically designed. When used with other bed cover brands, including Retrax, modifications to the fitment or installation may be required, and the final appearance may vary.
Please review this information carefully before purchasing.
Crossbar with T-Slot – Built for Versatility & Strength
Upgrade your truck with a premium crossbar with T-slot, engineered for durability, flexibility, and seamless accessory mounting. Designed for both daily use and overland setups, this system provides a solid foundation for carrying gear while maintaining a clean, low-profile look.
Constructed from heavy-duty aluminum with a durable powder-coated finish, this truck bed crossbar system delivers long-lasting performance in all environments—whether on-road or off-road.
Built to Handle Real Loads
This crossbar with T-slot is designed for strength and adaptability. With a reinforced structure and integrated tie-down capability, it allows you to secure cargo with confidence.
- Up to 500 lbs on-road capacity (evenly distributed)
- Up to 380 lbs off-road capacity (evenly distributed)
- Compatible with popular accessories including kayaks, bikes, rooftop tents, and cargo carriers
T-Slot System for Maximum Expandability
Each crossbar with T-slot features dual-side T-slot channels, allowing you to mount accessories quickly and securely.
- T-slot channels on both sides of the crossbar
- Easy mounting for racks, carriers, and overland gear
- Compatible with most T-slot accessories and mounts
This design ensures your setup can grow with your needs—no limitations, no complicated modifications.
Optimized Design & Easy Installation
Engineered for convenience, this system features a bolt-on installation with no drilling required, making it ideal for quick upgrades.
- Approximate 2-inch thick crossbar for added strength
- Adjustable spacing between crossbars: anywhere along the tonneau cover rails
- Quick-change mounting system for easy installation and removal
Note: For compatibility with Retrax tonneau covers featuring T-slot rails, a separate t-slot bolts purchase is required.


















