RK RACING CHAIN 420MXZ-86 Steel Link Mx/sx

( Brand: Rk Racing Chain ), ( Manufacturer Part Number: 420MXZ-86 ), ( Product: Roller Chain ), ( Compatible Model: Please Reach Out To Seller To Confirm Compatibilit ), ( Binding: Automotive ), ( Material: Alloy Steel ), ( Color: Steel ), ( Size: 86 Link ), ( Item Weight: 1.70 Lbs )

Review RK RACING CHAIN Series Steel Link Heavy Duty Mx/sx Non fits MX SX 420 1986

Introducing the 420MXZ-86 Racing Chain, a high-performance accessory engineered for off-road motorcycles that demand the ultimate in power transfer and durability. This chain is specifically designed for MX and SX models and is made from top-tier 420 steel, ensuring superior strength and longevity.

The 420MXZ-86 chain boasts an impressive 86 links, each meticulously crafted to minimize friction and maximize efficiency. The roller links are precision-machined to perfection, with rollers that are generously sized to reduce wear and ensure smooth operation. The pins are also made from high-strength steel, ensuring a secure connection between the links and enduring resistance to fatigue.

This racing chain is designed with a 1/2 x 5/16" pitches, ensuring compatibility with a wide range of off-road motorcycles. The O-rings included with the chain are made from a high-quality rubber compound, providing an effective seal against dirt and debris for optimal performance and longevity.

One of the standout features of the 420MXZ-86 Racing Chain is its innovative design, which includes a nickel-plated finish on the rollers and pins. This not only gives the chain an attractive appearance but also provides additional protection against corrosion and wear.

Installing the 420MXZ-86 Racing Chain is made simple with the inclusion of a master link, which eliminates the need for chain tools or the removal of the rear wheel during installation. This feature not only saves time but also reduces the risk of damage to the chain during installation.

In summary, the 420MXZ-86 Racing Chain is an exceptional choice for riders who demand the ultimate in power transfer, efficiency, and durability. Its high-performance design, made from top-tier 420 steel and featuring generous roller sizes, a nickel-plated finish, and a master link for easy installation, makes it the go-to choice for off-road motorcycle enthusiasts who refuse to compromise on performance.

Buying a racing chain like the 420MXZ-86 420 steel 86 link mx/sx can offer several benefits for off-road motorcycles. This type of chain is designed for high-performance use, providing improved strength, durability, and efficiency compared to standard OEM chains. Here are some pros and cons of investing in a racing chain like this:

1. Enhanced strength and durability: Racing chains are engineered to handle the rigors of off-road racing. They are typically made from stronger materials and feature more robust construction, making them less prone to wear and tear.

2. Improved power transfer: A racing chain offers more efficient power transfer from the engine to the rear wheel. This results in improved acceleration, better top-end power, and overall improved performance.

3. Longer chain life: While a racing chain may cost more upfront, it can last significantly longer than a standard OEM chain. This means fewer replacement costs over time.

4. Reduced chain slack: Racing chains often come with less chain slack than stock chains, which can lead to better chain tension and improved drivetrain performance.

1. Higher upfront cost: A racing chain is typically more expensive than a standard OEM chain. However, the longevity and performance benefits may outweigh the initial cost.

2. Requires more frequent maintenance: A racing chain may require more frequent cleaning and lubrication than a standard OEM chain. This is due to the increased loads and stresses placed on the chain during off-road riding.

3. May not be suitable for all riding styles: A racing chain may not be the best choice for riders who primarily ride on the street or in mild off-road conditions. The increased stiffness and strength of a racing chain may not offer any significant performance benefits in these situations.

In conclusion, a racing chain like the 420MXZ-86 420 steel 86 link mx/sx can offer significant benefits for off-road motorcycle riders, including enhanced strength and durability, improved power transfer, longer chain life, and reduced chain slack. However, it comes with a higher upfront cost and requires more frequent maintenance. Ultimately, the decision to invest in a racing chain depends on the rider's budget, riding style, and performance goals. If the rider primarily engages in off-road racing and is looking for maximum performance, a racing chain may be a worthwhile investment. However, if the rider primarily uses their motorcycle for street riding or mild off-road conditions, a standard OEM chain may be a more cost-effective and practical choice.

Details:

RK Racing Chain 420MXZ-86 420 Series Steel 86 Link Heavy Duty MX/SX Non O-Ring with Connecting Link: Packaging May Vary: 420MXZ Chains are made for the serious Motocross racer looking lightest, strongest O-ring. With a maximum tensile strength rated at 5000 foot pounds and weighing in only 1.76 lbs. All components are heat-treated using KS exclusive HIT Heat Induction Transfer process. Master link Type: Clip.

420MXZ Chains feature Chorally steel construction with seamless rollers and bushings, oversized special alloy pins for added strength.

part #: 420mxz86 prices

• $15.39-$43.50

specifications drivebeltcycleoi:

• for models: Mx, Sx, 420
• for years: 1986
• brand: Rk Racing Chain
• mpn: 420mxz-86
• product: Roller Chain
• compatible model: Please Reach Out To Seller To Confirm Compatibilit
• binding: Automotive
• material: Alloy Steel
• color: Steel
• size: 86 Link
• item weight: 1.70 Lbs

general drivebeltcycleoi:

• condition: New
• Transmission Drivetrain > Final Primary Drive Parts Kits > Final Drive Belts Chains

offer drivebeltcycleoi:

• quantity: 3
• started: February 13, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

seller drivebeltcycleoi:

• rating: 99.6%
• # reviews: 11590
• city: Ho-Ho-Kus, New Jersey

returns drivebeltcycleoi:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping drivebeltcycleoi:

• type: Fixed
• class: Standard
• transit: 5-8 Days
• cost: $0.00
• service: Standard

payments drivebeltcycleoi:

• other
• wallet: Google-pay
• credit card: Mastercard

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