Choosing the right 520 dirt bike chain can boost reliability, shift precision, and overall durability on rugged trails. This guide reviews five well-regarded 520 chains suited for a range of dirt bikes, from rugged off-road riding to motocross. When selecting a chain, consider the pitch (all are 520 here), length, whether it’s O-ring or non-O-ring, coating or finish, and inclusions like a master link or a chain breaker. The products below reflect common, durable options that balance performance with value for American riders tackling dirt, mud, and rocky terrain.
| Product | Brand | Links | Type | Amazon Link |
|---|---|---|---|---|
| RK M520HD-120 Chain | RK Racing Chain | 120 | Non-O-Ring | View |
| HILAKE 520 Chain | HILAKE | 114 | O-Ring | View |
| Protaper PT520MXZ5-120 | Pro Taper | 120 | Gold Series MX Chain | View |
| Renthal C128 R1 Works | 120 | 520-Pitch | View | |
| Belleone 520 Gold Chain | 114 | Gold Finish | View |
RK M520HD-120 Chain
The RK M520HD-120 is a 120-link, standard non-O-ring chain designed for street and off-road use. It is manufactured in Malaysia from Japanese steel and built to meet Japanese specifications, featuring two-point riveted pins and curled bushings. The chain is pre-stressed and pre-stretched to reduce the need for frequent adjustments after installation.
- Maximum tensile strength: 7,700 pounds per foot
- Weight: 3.65 pounds per 100 links
- Suitable for up to 400cc street and NA-off-road riding
These design elements emphasize durability and straightforward maintenance, making it a solid choice for riders who value reliability in mixed terrain and simple service intervals.
HILAKE 520 Chain
The HILAKE 520 motorcycle chain is designed for demanding conditions and high-speed riding, making it suitable for extreme applications. The package includes a connecting master link and a chain breaker for installation and maintenance convenience. This chain offers versatile compatibility for motorcycles, bicycles, go-karts, and mini trail bikes, providing broad utility beyond a single sport.
- Length: 114 links
- Type: O-Ring
- Includes: Master link and chain breaker
- Compatibility: Motorcycles, bicycles, go-karts, mini trail bikes
O-ring chains like this one generally deliver improved longevity in wet or muddy conditions, though they can carry a slightly higher price and a bit more weight than non-O-ring designs.
Protaper PT520MXZ5-120
Protaper PT520MXZ5-120 represents Pro Taper’s premium gold series motocross chain. This 120-link chain is built for high-load power transfer and durability under aggressive MX riding conditions. The gold-series finish adds corrosion resistance and a distinctive appearance while maintaining strength for tough tracks and long practice days.
- Length: 120 links
- Finish: Premium gold series
- Application: Motocross
The design emphasizes reliability during aggressive gears and fast transitions, suitable for riders who push their machines on rocky, sandy, and muddy MX courses.
Renthal C128 R1 Works Chain
The Renthal C128 R1 Works chain uses a 520 pitch and is designed for peak performance in motocross and off-road riding. Features include shot-peened alloy steel side plates for high tensile strength and maximum impact load resistance, chamfered inner links to reduce derailment risk, and extended bushings to reduce friction between outer and inner link plates, maximizing power transfer.
- Length: 120 links
- Pitch: 520
- Key features: Shot-peened side plates, chamfered inner links, extended bushings
This chain targets riders seeking longevity in high-load, explosive riding scenarios and smooth operation under rapid acceleration and deceleration on rough terrain.
Belleone 520 Gold Chain
Belleone’s 520 Gold chain is a 114-link option packaged with a chain breaker and five master links, designed to fit a range of 250cc and 300cc pit bikes and other 520-pitch machines. It emphasizes rugged construction and reliable performance in demanding off-road conditions, with a finish that helps resist corrosion in humid environments.
- Length: 114 links
- Includes: Chain breaker and five master links
- Compatibility: 250cc–300cc dirt bikes and similar platforms
The design prioritizes rugged endurance for riders who frequently ride in mud, sand, and rocky trails, while maintaining installability and compatibility with common 520 sprockets.
Buying Guide
O-Ring Versus Non-O-Ring Chains
O-ring chains seal lubricant within the links, providing longer life in wet, muddy, or dusty conditions. They tend to be heavier and slightly more expensive. Non-O-ring chains are lighter and often cheaper, which can appeal to riders who prioritize weight savings or cost. For muddy or rain-prone regions, an O-ring chain, like the HILAKE option, may offer better durability with lower maintenance over time, while non-O-ring chains like the RK M520HD-120 can be adequate in drier environments or for users who perform regular maintenance.
Chain Length And Bike Compatibility
Link counts such as 114 or 120 influence compatibility with your rear sprocket and chainstay clearance. Most dirt bikes can accommodate 114- or 120-link chains, but you should confirm with your sprocket and swingarm geometry. Longer chains may require trimming and proper tensioning, while shorter chains can limit chain wrap under heavy loads. If you’re unsure, consult your bike’s service manual or a dealer to determine the right length for your model and riding style.
Material, Finish, And Durability
Coatings and finishes, like Renthal’s premium finishes or Belleone’s gold appearance, can reduce corrosion and provide aesthetic appeal. Gold finishes often indicate a plated or coated chain that can resist moisture and mud but might come with a higher upfront cost. For extreme riding, chains with robust side plates and extended bushings, such as Renthal’s design, can improve longevity by reducing friction and wear at connection points.
Installation Niceties: Master Links And Tools
Many chains ship with master links and tools such as chain breakers. The HILAKE chain explicitly includes a master link and breaker, which can simplify installation and on-trail maintenance. If your chosen chain doesn’t include these items, you’ll want to factor in the cost of a master link kit and a breaker tool for proper installation and future maintenance.
Maintenance, Lubrication, And Cleaning
Regular lubrication helps reduce wear and noise and extends chain life. O-ring chains typically require less frequent lubrication due to their sealed design, while non-O-ring chains benefit from periodic lubrication, especially after exposure to mud or water. Clean the chain to remove dirt, and inspect for kinks, stiff links, or excessive side-to-side slack. Replace chains showing significant stretching or damaged rivets to avoid sprocket wear and chain derailment.
TCO: Value Versus Durability
When comparing chains, consider the total cost of ownership (TCO) over a season. While premium chains may cost more upfront, their durability and reduced maintenance can lower long-term expenses. Conversely, more affordable options may suffice for casual or sporadic riders who perform more frequent checks and adjustments. Balance your riding style, local climate, and maintenance capacity to select a chain that delivers consistent performance without frequent replacements.