Glide Gear NXDV4 Dev 4-4 ft Track Dolly Extensions - Stable Reach

In this review the Glide Gear NXDV4 Dev 4-4 ft Track Dolly Extensions are assessed for videographers who already own the updated DEV 4 with threaded poles. The bottom line: these screw-in extensions are a straightforward, no-frills way to double slider length and improve shot variety without replacing your whole dolly. Installation is simple and the reinforced aluminum construction delivers a noticeable increase in stability for longer tracks, making them useful for solo shooters and small crews wanting smoother, extended moves.

Key Features

• Reinforced aluminum: The heavier-gauge construction reduces flex and keeps the slider straighter during longer moves for more consistent tracking shots.
• Two 4 ft. sections included: The package ships with two screw-in poles so users can extend both sides of the updated DEV 4 to gain substantial additional travel without buying separate track segments.
• Screw-in design: The threaded poles lock into the updated dolly ends for a secure connection that avoids wobble common with non-threaded add-ons.
• Mounting bracket included: A dedicated bracket is provided so the extensions attach cleanly and maintain alignment with the original rail system.
• Baby pin adapter: The included adapter gives a common mount option for tripods or accessories, increasing compatibility with existing support gear.

Who It's For

The extensions are best for camera operators who already own the updated Glide Gear DEV 4 that has threaded poles rather than black end caps; those users will find an affordable way to extend travel and stabilize longer moves without buying a new slider. Independent filmmakers, event videographers, and smaller production teams who need longer linear motion for interviews, b-roll, or product work will especially appreciate the increase in reach.

These extensions are not for owners of the original DEV 4 with black end caps, because the screw-in poles will not fit; anyone on the fence about compatibility should check their dolly end caps before purchasing. Also, buyers seeking a complete heavy-duty pro rig or motorized control should look at full slider upgrades rather than these simple extensions.

Pros & Cons

Pros

• Solid construction from reinforced aluminum provides increased stability along extended rails.
• Includes two 4 ft. screw-in sections so the dolly can be lengthened immediately out of the box.
• Comes with a mounting bracket and baby pin adapter to integrate with common camera supports.

Cons

• Only compatible with the updated DEV 4 that has threaded poles, so owners of the original model cannot use these.
• These are passive extensions and do not add motorized control or advanced features beyond length and stability.

Specifications

Our Verdict

These extensions are a practical, cost-effective upgrade for owners of the updated Glide Gear DEV 4 who need longer, more stable slides. The reinforced aluminum and included mounting hardware deliver reliable performance for more ambitious camera moves, and they represent good value compared with replacing the entire dolly. Buyers should confirm pole threading before ordering to avoid a mismatch.

Frequently Asked Questions

Will these fit an original DEV 4 with black end caps?
No. They require the updated DEV 4 model that has threaded poles; they will not work with poles that have black end caps.

How long are the included extensions?
The package includes two 4 ft. screw-in pole sections to extend the track length on the updated dolly.

Is motorized control added by these extensions?
No. These are passive track extensions that increase length and stability but do not add motorized or electronic features.