Bestop Trektop Slantback Soft Top – Ford Bronco 4-Door

2021–2026 Ford Bronco 4-Door | Black Diamond | Fastback Soft Top | SKU: 56873-35

Transform your Bronco into a true open-air machine with the Bestop Trektop Slantback Soft Top (56873-35). Designed for the 2021–2026 Ford Bronco 4-Door, this premium soft top delivers aggressive fastback styling with versatile functionality.

Run it as a fully enclosed all-season soft top or quickly convert it into multiple open-air configurations. The integrated Sunrider feature allows you to flip the front section open in seconds for instant airflow without removing the entire top.

Constructed from Black Diamond fabric, this top offers rugged durability for off-road use while maintaining flexibility in varying weather conditions. Tinted windows help keep your interior cooler and improve comfort. 

Key Features

• Direct fit for 2021–2026 Ford Bronco 4-Door
• SKU: 56873-35
• Fastback (slantback) soft top design
• Durable Black Diamond fabric construction
• Sunrider flip-back front panel
• Multiple open-air configurations
• Zipperless window system for easy removal
• Tinted side and rear windows
• Works seamlessly with factory doors and tailgate
• No-drill installation

⚠️ Fitment Note (IMPORTANT)

❗ Fits 2021–2026 Ford Bronco 4-Door ONLY
❗ Will NOT fit 2-Door models
❗ Will NOT fit Bronco Raptor
❗ Will NOT fit Bronco Sport
❗ Designed to replace factory roof system

👉 This is critical — prevents incorrect orders and returns

Fastback Styling Upgrade

• Aggressive slantback profile
• Modern off-road appearance
• Transforms the look of your Bronco

👉 One of the best visual upgrades you can do

Open-Air Versatility

• Fully enclosed for all-weather driving
• Flip-back Sunrider for quick airflow
• Remove windows for open-air driving

👉 Multiple driving experiences in one top

Durable Black Diamond Fabric

• Built for rugged environments
• Handles temperature changes and weather exposure
• Long-lasting performance

👉 Built for daily and off-road use

Zipperless Window System

• Quick removal of side and rear panels
• No traditional zippers to fight with
• Improved ease of use

👉 Fast transitions to open-air mode

What’s Included

• Trektop soft top system
• Side and rear tinted windows
• Mounting hardware
• Installation instructions

Specifications

• Material: Black Diamond Fabric
• Style: Fastback / Slantback
• Configuration: Multi-Position Convertible
• Windows: Tinted Removable Panels
• Installation: No Drill

Installation

No-drill installation
Includes all mounting hardware
Replaces factory roof system
Typical install time: ~2–4 hours

Popular Vehicle Applications

👉 2021–2026 Ford Bronco 4-Door

Perfect for Bronco owners looking for a durable, versatile soft top with aggressive styling and true open-air capability.

👉 Best value soft top option for 4-door Broncos

Why Buy from Iron Ridge Offroad

✔ Fast Shipping
✔ Authorized Bestop Dealer
✔ Fast Processing
✔ Off-Road Experts You Can Trust

Upgrade your Bronco with the Bestop Trektop Soft Top (56873-35)—engineered for durability, versatility, and open-air freedom.