D.I.D DID 520VO-112 Professional V Series O-Ring Chain - Long Life

In this review of the D.I.D 520VO-112 Professional V Series O-Ring Chain the bottom line is simple: this chain is for riders who want extended wear life and reliable impact resistance for bikes up to 500cc. The reviewer found the chain's standout attribute to be its engineered durability, with solid bushings and reinforced rollers promising significantly longer service between replacements. Installation and function were praised by customers, and the included master link makes fitting straightforward. Fitment can vary by bike, so check sizing, but for longevity and consistent performance this chain makes a convincing case.

Key Features

• O-Ring protection: The O-ring design helps retain lubrication and reduce wear, extending service intervals compared with a standard chain.
• Solid bushings: Solid bushings provide improved contact durability and help the chain resist elongation under load for longer life.
• Reinforced rollers: Reinforced rollers offer better impact resistance, making the chain more robust in stop-and-go or rough-road conditions.
• Long projected life: The manufacturer projects a wear life up to 235 times longer than a standard chain under similar conditions, reducing replacement frequency.
• Included master link: A clip-type master link is supplied for straightforward installation and serviceability without needing a pressing tool.
• High tensile strength: With a tensile rating of 6,830 lbs the chain handles the loads expected on motorcycles up to the specified displacement.

Who It's For

This chain is aimed at motorcyclists and mechanics servicing mid-displacement bikes up to 500cc who prioritize long-term wear resistance and durability. Riders who put a lot of miles on a commuter, dual-sport, or light sportbike will appreciate the extended service life and lower maintenance frequency promised by the O-ring sealing and reinforced components.

It is less suited to owners of very large displacement motorcycles or specialty race machines beyond 500cc, where different chain classes and ratings are appropriate. Also, because fit can be mixed across models, riders should verify the 112-link length and 520 pitch fitment for their specific sprocket and swingarm setup before purchase.

Pros & Cons

Pros

• Excellent wear resistance thanks to O-ring sealing and solid bushing construction.
• Reinforced rollers increase impact resistance and contribute to longer useful life.
• High tensile strength and a supplied master link make it ready for installation and robust under load.
• Customers report strong value for money and reliable functionality over extended mileage.

Cons

• Fitment reports are mixed, so some users may need to adjust link count or confirm compatibility before ordering.
• Designed for bikes up to 500cc only, making it unsuitable for larger displacement machines.

Specifications

Chain model	520VO-112
Series	Professional V Series O-Ring
Links	112 links
Weight per 100 links	3.30 lbs.
Tensile strength	6,830 lbs.
Maximum engine displacement	500cc
Clip type	Master link included

Our Verdict

The D.I.D 520VO-112 is a practical choice for riders seeking a durable, low-maintenance chain for motorcycles up to 500cc. Its solid bushings, reinforced rollers, and O-ring sealing deliver clear longevity benefits and good value for money, making it a sensible upgrade for high-mileage commuters and everyday riders who want fewer chain changes.

Frequently Asked Questions

Will this chain fit my bike?
Check that your bike uses a 520 pitch chain and that 112 links is an appropriate length; some bikes require adjusting link count or replacing sprockets for correct fit.

Does it come ready to install?
The chain ships with a clip-type master link included, so it can be installed without purchasing a separate connecting link.

How much longer does it last than a standard chain?
The manufacturer projects the wear life can be up to 235 times longer than a standard non O-ring chain under similar conditions, due to the O-ring seals and reinforced components.