DO35 Locking Mechanism Repair Kit for V2 & V3 Models

Restore reliable, secure locking for your DO35 hitch with Trojan’s DO35 Locking Mechanism Repair Kit. Engineered to handle the bumps and vibrations of real-world cycling adventures, this complete kit brings back precise engagement after the coupling has taken a hit. It’s designed to fit V2 and V3 models with minimal downtime, so you can get back on the road or trail faster.

What’s included

• Replacement locking mechanism assembly that mirrors the original design for dependable engagement.
• Two precision mounting plates and a circular spacer to ensure accurate alignment.
• Curved locking plate with integrated cam features, closely matching the factory geometry.
• Red knurled adjustment knob for intuitive hand-tuning and quick resets.
• Two compression springs and a small hardware pack (washers and screws with blue thread-lock) to reproduce trusted preload and tension.
• Translucent guide sleeve to assist alignment during installation.

Why this repair kit stands out

• Genuine Trojan engineering delivers dependable performance on both road and trail.
• Specifically designed to retrofit V2 and V3 DO35 models, ensuring a precise, hassle-free fit.
• All-in-one solution eliminates the guesswork and delays of sourcing individual parts.
• Restores the original lock feel, reducing the risk of accidental disengagement after impacts or rough use.
• Durable, corrosion-resistant components engineered to withstand varying weather conditions and long-term cycling wear.

Use cases and ideal users

Ideal for cyclists, bike trailer enthusiasts, and outdoor travelers who rely on a secure two-point connection with the DO35 locking system. If your coupling has shown play, stiffness, or misalignment after a knock or heavy use, this repair kit offers a practical, field-ready solution without replacing the entire unit.

Installation and maintenance tips

The kit is built for straightforward installation on V2 and V3 DO35 models, using standard tools you likely already have. Align the plates with the existing mounting points, assemble the components as shown, and secure with the included fasteners to restore proper preload and tension. Regular checks—especially after heavy use or exposure to harsh weather—will help maintain smooth operation and extend the life of your DO35 locking mechanism.

With Trojan, you’re choosing a trusted brand in cycling hardware that blends robust engineering with practical, field-ready solutions. Add the DO35 Locking Mechanism Repair Kit to your cart and keep your riding connections secure, trusted, and ready for whatever the road or trail throws your way.