Description
DID is known for producing some of the highest-quality motorcycle chains in the world, manufactured in Japan. The DID 520 ERVT Gold X-Ring Chain combines lightweight performance with the durability and sealing benefits of DID's X-Ring technology.
Designed for high-performance off-road and enduro use, the 520 ERVT features a narrow, lightweight construction while maintaining high tensile strength. Its X-Ring seals help retain lubrication and reduce the amount of dirt and debris that can work between the side plates.
High-Performance X-Ring Design
The 520 ERVT is designed to deliver the low-friction performance associated with a lightweight racing chain while adding the durability of an X-Ring sealed design. The X-Ring configuration reduces friction at the seal while helping keep lubrication in and contaminants out.
Fits bikes with 520 chains including:
- Surron Ultra Bee (96 Stock)
- Bonnell 805 RX (100 stock, 102 for increased wheelbase)
- Stark Varg (114 Stock)
- KTM Freeride (118 Stock)
Key Features
- Premium DID 520 ERVT X-Ring drive chain
- Gold finish
- Available in multiple chain lengths
- Designed for enduro, off-road, and racing applications
- Low-friction X-Ring sealing technology
- Helps retain chain lubrication
- Helps prevent dirt and debris from entering between the side plates
- Lightweight, narrow-profile construction
- Approximately 2% lighter than the previous design
- Approximately 15% longer service life while maintaining tensile strength
- Average tensile strength: approximately 8,440 lbs.
- Made in Japan
Available Sizes
- 112 Links
- 114 Links
- 118 Links
- 120 Links


