Tsubaki Offroad Chain 520 MXC 120 links – 55316520120
The Tsubaki 520 MXC 120-link offroad chain (part number 55316520120) is a non-sealed 520-pitch drive chain from Tsubaki’s MXC series, developed specifically for high-performance motocross and off-road use.
Key features
- Non-sealed 520-pitch motorcycle drive chain engineered for motocross, enduro and other off-road applications.
- MXC series developed in cooperation with leading MX racing teams in European MXGP competition for professional dirt-track performance.
- Low-friction, lightweight design that helps transfer as much engine power as possible directly to the rear wheel.
- Solid rollers with press-fit, quad-stake riveted pins for increased tensile strength and resistance to shock loads in demanding offroad riding.
- Gold / gold finish on plates for corrosion resistance and a clean, high-end appearance even in muddy conditions.
- 120-link length suitable for a wide range of 125–500 cc off-road motorcycles when combined with appropriate sprocket sizes and gearing.
Technical data
| Manufacturer | Tsubaki |
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| Series | MXC offroad |
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| Product type | Non-sealed roller drive chain for off-road motorcycles |
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| Pitch | 520 |
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| Number of links | 120 |
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| Part number (SKU) | 55316520120 |
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| Colour | Gold / gold |
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| Recommended displacement range | Approx. 125–500 cc off-road motorcycles (depending on chosen sprocket sizes and overall gearing) |
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| Chain sealing | Non-sealed (no O-rings or X-rings, race-oriented low-friction design) |
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| Roller design | Solid rollers |
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| Pin design | Press-fit, quad-stake riveted pins for added strength |
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| Primary use | Motocross, enduro, cross-country and general off-road riding |
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Typical use cases
- Motocross racing and training on 125–500 cc machines where quick throttle response and minimal drivetrain drag are desired.
- Enduro and cross-country events with frequent acceleration, braking and load changes on loose or rough terrain.
- Replacement of worn OEM 520 chains on off-road motorcycles with a high-quality Japanese MX-specific chain.
- Setups where riders and mechanics prefer a non-sealed chain for easier length adjustment, lower rotating mass and direct power delivery.
Compatibility information
As a universal 520-pitch motorcycle chain, this product can be adapted to many 125–500 cc off-road models when matched with suitable front and rear sprockets and correct chain length documented application from a professional reseller is shown below.
| Brand | Model | Year |
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| Yamaha | YZ 250F G | – |
Tsubaki MXC series overview
The MXC offroad series belongs to Tsubaki’s dedicated motorcycle chain collection and is positioned as the motocross-focused option alongside the MXE enduro is developed together with top European MXGP factory teams and uses a non-sealed construction to minimise internal friction and weight, helping every available horsepower reach the rear wheel while still maintaining the robustness expected from Tsubaki’s Japanese-manufactured chains.
