---
title: T-Slot Crossbar Kit for Truck Bed Caps | TruckBedShop
url: https://truckbedshop.com/shop/racks/rough-country-t-slot-adjustable-crossbar-kit/
description: Buy the Rough Country T-slot crossbar kit for bed caps: 42 in crossbars rated 600 lb static and 300 lb dynamic for rooftop tents, bikes and cargo carriers.
updated: 2026-10-26
---

Rough Country

# Rough Country T-Slot Adjustable Crossbar Kit for Bed Caps

$293.99

Shipping on orders under $1,000 is a flat $100, added to your invoice. Most orders dispatch within 2 business days.

**Compatible with** Rough Country lists this kit as universal for its bed caps with T-slot rails, and it fits T-slot rails 29.75 in to 42.75 in wide. Send us your cap model before you order and we confirm the fit.

[Check fit for my truck](mailto:info@truckbedshop.com?subject=Fit%20check%3A%20Rough%20Country%20T-Slot%20Adjustable%20Crossbar%20Kit%20for%20Bed%20Caps)

- Free shipping to the US and Canada over $1,000
- Minimum order $300 across your cart
- Guest checkout: Zelle, Apple Pay, bank transfer or crypto
- 30-day returns on unused items
- Fit help from our team: info@truckbedshop.com

## Specifications

| Spec | Detail |
| --- | --- |
| Type | Adjustable T-slot crossbar kit |
| Material | Corrosion-resistant alloy |
| Crossbar length | 42 in |
| Profile height | 3.25 in raised |
| Load rating | 600 lb static, 300 lb dynamic |
| T-slot channel | 5/16 in (8 mm) |
| Rail width | Fits T-slot rails 29.75 in to 42.75 in wide |

## About this product

The Rough Country T-Slot Crossbar Kit gives a bed cap with T-slot rails a stronger mounting platform for rooftop tents, cargo carriers, bike racks, kayak mounts and recovery gear.

The 42 in crossbars sit 3.25 in above the cap for accessory clearance and have a 5/16 in T-slot channel of their own. They are rated for 600 lb static and 300 lb dynamic and fit rails from 29.75 in to 42.75 in wide.

## Frequently asked questions

### How much is the Rough Country T-Slot Adjustable Crossbar Kit for Bed Caps?

The price on this page is $293.99. Shipping is free over $1,000, and below that it is a flat $100 added to your invoice.

### Which bed caps does the Rough Country crossbar kit fit?

It is made for Rough Country bed caps with T-slot rails and fits rails from 29.75 in to 42.75 in wide. Send us your cap model and we confirm the fit.

### How much weight can the crossbars carry?

They are rated for 600 lb static and 300 lb dynamic.

### What can I mount on them?

Rooftop tents, cargo carriers, bike racks, kayak mounts and recovery gear.

### How long are the crossbars?

42 in, and they sit 3.25 in above the cap.

### How do I order the crossbar kit?

Add it to your cart, or email info@truckbedshop.com with your cap model and we confirm the fit before you pay. Orders start at $300.