{"id":505,"date":"2026-05-18T03:55:34","date_gmt":"2026-05-18T03:55:34","guid":{"rendered":"https:\/\/automatictransmissionpart.com\/?post_type=product&p=505"},"modified":"2026-05-18T03:55:34","modified_gmt":"2026-05-18T03:55:34","slug":"ep-428h-reinforced-motorcycle-chain","status":"publish","type":"product","link":"https:\/\/automatictransmissionpart.com\/uk\/product\/ep-428h-reinforced-motorcycle-chain\/","title":{"rendered":"\u041f\u043e\u0441\u0438\u043b\u0435\u043d\u0438\u0439 \u043b\u0430\u043d\u0446\u044e\u0433 \u043c\u043e\u0442\u043e\u0446\u0438\u043a\u043b\u0430 EP-428H"},"content":{"rendered":"
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\u041f\u043e\u0441\u0438\u043b\u0435\u043d\u0438\u0439 \u043b\u0430\u043d\u0446\u044e\u0433 \u043c\u043e\u0442\u043e\u0446\u0438\u043a\u043b\u0430 EP-428H<\/h2>\n

High-Performance Quad-Riveted Design for Demanding Riders<\/p>\n

The 428H reinforced motorcycle chain represents the pinnacle of heavy-duty chain engineering, combining quad-riveted pin construction with reinforced roller plates to deliver exceptional durability and performance for sportbikes, cruisers, dirt bikes, and high-torque motorcycles throughout Latin America and beyond.<\/p>\n

The reinforced roller plate design integrated into the 428H chain significantly reduces the wear and tear experienced during normal chain operation, extending the service life well beyond standard motorcycle chains. Pre-stretching and heat treatment applied during manufacturing ensure that the chain maintains its precise pitch spacing and resists premature elongation that typically limits chain lifespan on high-performance motorcycles.<\/p>\n<\/div>\n

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1. 428H Reinforced Motorcycle Chain Technical Specifications<\/h2>\n

Complete technical specifications for the 428H reinforced motorcycle chain series:<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Chain No.<\/th>\nPitch (mm)<\/th>\nBush Type<\/th>\nWidth (mm)<\/th>\nPin Dia (mm)<\/th>\nPin Length (mm)<\/th>\nRoller Dia (mm)<\/th>\nPlate Inner (mm)<\/th>\nPlate Outer (mm)<\/th>\nTensile (kN)<\/th>\nWeight (kg\/m)<\/th>\n<\/tr>\n<\/thead>\n
428H<\/td>\n12.700<\/td>\nCurled<\/td>\n7.85<\/td>\n4.45<\/td>\n18.75<\/td>\n8.51<\/td>\n2.03<\/td>\n2.03<\/td>\n20.6<\/td>\n0.82<\/td>\n<\/tr>\n
428H-100L<\/td>\n12.700<\/td>\nCurled<\/td>\n7.85<\/td>\n4.45<\/td>\n18.75<\/td>\n8.51<\/td>\n2.03<\/td>\n2.03<\/td>\n20.6<\/td>\n82.0<\/td>\n<\/tr>\n
428H-102L<\/td>\n12.700<\/td>\nCurled<\/td>\n7.85<\/td>\n4.45<\/td>\n18.75<\/td>\n8.51<\/td>\n2.03<\/td>\n2.03<\/td>\n20.6<\/td>\n83.6<\/td>\n<\/tr>\n
428H-104L<\/td>\n12.700<\/td>\nCurled<\/td>\n7.85<\/td>\n4.45<\/td>\n18.75<\/td>\n8.51<\/td>\n2.03<\/td>\n2.03<\/td>\n20.6<\/td>\n85.3<\/td>\n<\/tr>\n
428H-106L<\/td>\n12.700<\/td>\nCurled<\/td>\n7.85<\/td>\n4.45<\/td>\n18.75<\/td>\n8.51<\/td>\n2.03<\/td>\n2.03<\/td>\n20.6<\/td>\n86.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Note: All specifications represent standard 428H reinforced motorcycle chain configurations. Custom lengths and specialty configurations available upon request.<\/p>\n

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2. Five Key Advantages of 428H Reinforced Motorcycle Chain<\/h2>\n
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\u2460 Quad-Riveted Pin Construction for Superior Strength<\/div>\n

Each pin in the reinforced motorcycle chain is riveted on four sides rather than the typical two-sided riveting, creating redundancy in the load path and dramatically increasing the chain’s ability to withstand shock loads and sustained high-torque transmission. This quad-riveted design is the distinguishing feature that separates high-performance chains from standard motorcycle chains, directly translating to longer service life and reduced failure risk.<\/p>\n<\/div>\n

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\u2461 Reinforced Roller Plate Technology Reduces Wear<\/div>\n

The reinforced roller plates incorporated into the 428H design minimize the interaction between the chain rollers and sprocket teeth, substantially reducing the material removal rate that normally accelerates chain and sprocket wear. This advanced engineering extends the replacement interval for both chain and sprockets, providing significant cost savings for riders maintaining motorcycles over extended service periods.<\/p>\n<\/div>\n

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\u2462 Pre-Stretched and Heat-Treated for Dimensional Stability<\/div>\n

Pre-stretching during manufacturing removes residual slack and ensures the chain enters service with all links already seated properly, preventing the elongation that typically occurs during initial operation. Heat treatment optimizes the metallurgical structure of the chain material, enhancing fatigue resistance and preventing premature failure from cyclic stress accumulation.<\/p>\n<\/div>\n

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\u2463 Universal Compatibility Across Motorcycle Types<\/div>\n

The 428H reinforced motorcycle chain is available in multiple lengths (100L to 112L links) and configurations, enabling compatibility with sportbikes, cruisers, dirt bikes, enduro motorcycles, and custom builds. This versatility allows riders to source a single chain type that works across multiple motorcycles in their collection, simplifying inventory management and maintenance procedures.<\/p>\n<\/div>\n

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\u2464 High Tensile Strength for Power Transmission Reliability<\/div>\n

The 428H design achieves tensile strength of 20.6 kN, providing substantial safety margin for high-performance motorcycles producing significant horsepower and torque. This high strength capacity ensures that the chain remains the most reliable element in the drivetrain, preventing catastrophic failure even under sustained maximum-load conditions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"automatictransmissionpart-products-EP-428H<\/p>\n

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3. How the 428H Reinforced Motorcycle Chain Works<\/h2>\n

The fundamental operating principle of the 428H reinforced motorcycle chain involves a series of interconnected links that engage with the teeth of front and rear sprockets, transmitting rotational force from the engine to the rear wheel. Each link consists of outer plates riveted to inner plates through hardened steel pins, with cylindrical roller elements that rotate freely on the pins. As the front sprocket rotates, its teeth engage sequentially with the chain rollers, advancing the chain incrementally and transferring rotational force to the rear sprocket mounted on the motorcycle’s rear wheel.<\/p>\n

The quad-riveted pin design characteristic of the reinforced motorcycle chain distributes the enormous shear stress created by power transmission across four distinct rivet contact points rather than the two-point contact used in standard chains. This multiplied contact area reduces the average stress concentration at each rivet interface, allowing the chain to sustain higher loads without exceeding the material fatigue limit. The reinforced roller plates reduce the severity of impact loads generated when the chain rollers initially engage sprocket teeth, smoothing the power transmission process and reducing the cyclic stress reversals that typically initiate fatigue cracks in standard motorcycle chains.<\/p>\n

The pre-stretching treatment applied during manufacturing is critical to the chain’s performance characteristics. When a new chain is first placed in service, the combination of manufacturing tolerances, link-to-link friction, and load application causes the chain to elongate slightly as all links properly seat and assume their final positions. By pre-stretching the chain during manufacturing, this elongation is eliminated, ensuring that the chain maintains its original pitch spacing throughout the critical break-in period. This dimensional stability is essential for maintaining proper engagement geometry with the sprocket teeth, preventing the pitch errors that lead to accelerated wear and eventual chain failure.<\/p>\n<\/div>\n

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4. Material Construction and Quality<\/h2>\n

The 428H reinforced motorcycle chain is manufactured from premium-grade steel selected specifically for the mechanical properties required in high-performance power transmission applications. The outer and inner plates are precision-stamped from high-carbon alloy steel, typically AISI 1060 or equivalent grade, which provides the combination of strength and toughness necessary to withstand cyclic bending stresses and impact loads encountered during operation. The steel undergoes specialized heat treatment to achieve hardness levels optimized for wear resistance while maintaining sufficient ductility to prevent brittle fracture under shock loading conditions.<\/p>\n

The pins in the reinforced motorcycle chain are manufactured from through-hardened alloy steel, achieving hardness of 45-50 HRC throughout the material thickness. This uniform hardness distribution ensures that the pins withstand shear stresses evenly across their entire cross-section, preventing the localized failure modes that can occur when only surface hardness is developed through case hardening. The quad-riveted design multiplies the effective shear area, reducing the average stress concentration and extending the chain’s fatigue life substantially beyond standard designs. The roller elements are manufactured from precision-finished alloy steel, with surface hardness of 55-60 HRC to resist rolling contact wear while maintaining a tough core that prevents catastrophic fracture if a roller becomes damaged.<\/p>\n

All steel components receive protective surface treatment prior to assembly. The reinforced motorcycle chain utilizes a combination of zinc plating and oil impregnation that provides corrosion resistance in typical riding environments while maintaining the precise dimensional tolerances required for smooth engagement with sprocket teeth. This protective coating is particularly important for motorcycles operating in humid coastal regions of Colombia and other Latin American areas where salt spray and moisture exposure accelerate corrosion of unprotected steel components.<\/p>\n<\/div>\n

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5. 428H Reinforced Motorcycle Chain Applications<\/h2>\n

The 428H reinforced motorcycle chain serves critical functions across multiple motorcycle categories. Understanding these applications clarifies why this sophisticated chain design has become the standard choice for serious riders:<\/p>\n

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High-Performance Sportbikes<\/div>\n

Sportbikes and superbikes producing 100+ horsepower require motorcycle chains capable of reliably transmitting extreme torque loads at engine speeds exceeding 13,000 RPM. The 428H reinforced motorcycle chain’s quad-riveted construction handles these demanding conditions flawlessly, maintaining precise power transmission without chain slippage or failure risk. Professional motorcycle racers and track day enthusiasts throughout Colombia depend on reinforced chains for safety and performance.<\/p>\n<\/div>\n

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Off-Road Motorcycles and Dirt Bikes<\/div>\n

Dirt bikes and enduro motorcycles operate in harsh environments including mud, sand, water crossings, and extreme temperature variations. The reinforced motorcycle chain resists the accelerated wear caused by abrasive sand particles and maintains its strength despite the aggressive shock loads encountered during jumps and rough terrain traversal. Off-road riders appreciate the extended service life of reinforced chains, reducing maintenance frequency on remote trails.<\/p>\n<\/div>\n

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Heavy Cruiser Motorcycles<\/div>\n

Cruisers concentrate substantial rolling mass (300+ kg) on the drivetrain, creating continuous high-stress conditions during acceleration and deceleration. The reinforced motorcycle chain handles these sustained loads without premature elongation, maintaining smooth power delivery and preventing the chain slap noise that occurs when chains lose dimensional stability. Cruiser operators appreciate the durability advantage over standard chains.<\/p>\n<\/div>\n

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Custom and Chopper Motorcycles<\/div>\n

Custom motorcycle builders favor the 428H reinforced motorcycle chain for both its mechanical performance and aesthetic appeal. The robust construction supports non-standard sprocket ratios and unusual drivetrain geometries common in custom builds. The chain’s visual presence as a performance component appeals to builders who view motorcycle customization as both technical engineering and artistic expression.<\/p>\n<\/div>\n

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Commuter and Urban Riding<\/div>\n

Urban commuters in Colombian cities benefit from the extended service life of reinforced motorcycle chains, reducing the frequency of replacement and associated labor costs. The reliable power transmission prevents unexpected chain failure that could strand riders during busy commute hours. Commuters appreciate the predictability and safety of reinforced chain performance.<\/p>\n<\/div>\n

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Long-Distance Touring Motorcycles<\/div>\n

Touring motorcycles accumulating tens of thousands of kilometers annually require chains that maintain dimensional stability and resist wear throughout extended service periods. The 428H reinforced motorcycle chain’s pre-stretching treatment ensures that touring riders can depart on long adventures confident that chain elongation will not compromise drivetrain performance during the journey.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"automatictransmissionpart-products-EP-428H<\/p>\n

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6. About Us<\/h2>\n

We are a specialized manufacturer of motorcycle chains and transmission components serving the global motorcycle industry with premium-quality products engineered for demanding applications.<\/p>\n

The 428H reinforced motorcycle chain represents the culmination of our engineering experience and commitment to delivering products that exceed customer expectations for durability, performance, and reliability. We understand that motorcycle riders depend on their chains not only for optimal performance but for safety and trustworthiness under extreme conditions. Our manufacturing facility employs advanced production techniques, rigorous quality control protocols, and material testing procedures that ensure consistent excellence across every chain we produce.<\/p>\n<\/div>\n

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7. \u0421\u0443\u043f\u0443\u0442\u043d\u0456 \u0442\u043e\u0432\u0430\u0440\u0438<\/h2>\n

The 428H reinforced motorcycle chain functions as part of a complete transmission system. Compatible components ensure optimal performance and system reliability:<\/p>\n

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Motorcycle Sprockets<\/div>\n

Precision-engineered sprockets designed specifically for compatibility with 428H motorcycle chains ensure optimal engagement geometry and durability. Our sprocket designs minimize wear acceleration and support various gearing ratios for customizing motorcycle performance characteristics. Front and rear sprocket combinations are available for all major motorcycle types.<\/p>\n

\"Motorcycle<\/div>\n<\/div>\n
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Transmission Gears<\/a><\/div>\n

Complete transmission gear systems coordinate with motorcycle chains to deliver optimized power transmission across the full range of riding conditions. Our engineering team designs gear solutions that maximize acceleration, top speed, and fuel efficiency based on specific riding preferences and motorcycle characteristics. Reinforced motorcycle chain compatibility is engineered into all gear designs.<\/p>\n

\"Transmission<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u0427\u0430\u0441\u0442\u0456 \u0437\u0430\u043f\u0438\u0442\u0430\u043d\u043d\u044f<\/h2>\n
\nQ1. What type of reinforced motorcycle chain is best for high-performance sportbikes?
\n+<\/span><\/summary>\n
The 428H reinforced motorcycle chain is specifically engineered for high-performance sportbikes producing 100+ horsepower. The quad-riveted pin construction and reinforced roller plates provide the strength and durability required for extreme RPM ranges and rapid acceleration cycles. The 428H design maintains precise timing across variable load conditions, essential for reliable power delivery in competitive and performance-focused riding scenarios.<\/div>\n<\/details>\n
\nQ2. How do I know what motorcycle chain I need for my specific bike?
\n+<\/span><\/summary>\n
Your motorcycle’s owner manual specifies the exact chain size required, listing both pitch (428H) and length (100L through 112L). Count the number of links on your existing chain if the manual is unavailable. Verify that replacement chains match your current sprocket sizes, as changing sprockets requires coordinating with chain length. When in doubt, consult with a motorcycle mechanic who can verify your motorcycle’s specific requirements.<\/div>\n<\/details>\n
\nQ3. What advantages does a quad-riveted reinforced motorcycle chain offer over standard designs?
\n+<\/span><\/summary>\n
Quad-riveted construction distributes pin shear stress across four contact points instead of two, reducing average stress concentration and enabling higher load capacity. This superior strength translates directly into extended service life, particularly valuable for high-performance motorcycles where standard chains frequently fail prematurely. The reinforced motorcycle chain’s durability advantage justifies its higher cost through reduced replacement frequency.<\/div>\n<\/details>\n
\nQ4. How long does a reinforced motorcycle chain typically last before requiring replacement?
\n+<\/span><\/summary>\n
The 428H reinforced motorcycle chain typically lasts 15,000 to 30,000 kilometers depending on riding style, maintenance practices, and operating conditions. Aggressive sportbike riding shortens chain life due to sustained high-stress loads, while moderate cruiser operation extends intervals substantially. Regular cleaning, proper lubrication, and tension adjustment directly extend chain longevity. Pre-stretched and heat-treated chains maintain dimensional stability throughout their service life, preventing the premature elongation that limits standard chain lifespan.<\/div>\n<\/details>\n
\nQ5. Are 428H motorcycle chains universal and compatible across different motorcycle brands?
\n+<\/span><\/summary>\n
The 428 pitch is standardized across the motorcycle industry, making 428H reinforced motorcycle chains compatible with any motorcycle originally equipped with 428 pitch chains. However, the specific link count (length) varies by motorcycle model and must match your current chain exactly. Changing sprockets requires re-calculating the appropriate chain length. Always verify compatibility with your motorcycle’s specifications before purchase.<\/div>\n<\/details>\n
\nQ6. How does chain lubrication affect the performance of motorcycle chains and sprockets?
\n+<\/span><\/summary>\n
Proper lubrication reduces friction between rollers and sprocket teeth, minimizing heat generation and material wear. Quality chain lubricant also provides corrosion protection on the internal surfaces of the reinforced motorcycle chain, preventing rust that would accelerate failure. Under-lubricated chains experience accelerated wear and may eventually snap from metal-to-metal contact. Over-lubrication attracts abrasive dust that grinds against chain components. Balanced lubrication practices optimize both chain and sprocket lifespan.<\/div>\n<\/details>\n<\/div>\n<\/div>\n

\u0420\u0435\u0434\u0430\u043a\u0442\u043e\u0440: PXY<\/p>","protected":false},"excerpt":{"rendered":"

EP-428H Reinforced Motorcycle Chain features a 12.700mm pitch and curled bush design. With a 7.85mm width, 4.45mm pin diameter, and 18.75mm pin length, it delivers robust power transmission. The 8.51mm roller diameter, paired with 2.03mm inner and 2.03mm outer plate thickness, enhances durability. Boasting 20.6kN tensile strength and a 0.82kg\/m weight, this reinforced chain offers exceptional strength for high-performance motorcycles, ideal for demanding applications requiring reliability and longevity.<\/p>","protected":false},"featured_media":506,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[37,33],"product_tag":[],"class_list":{"0":"post-505","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-reinforced-motorcycle-chain","7":"product_cat-roller-chain","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/product\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/media\/506"}],"wp:attachment":[{"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/product_brand?post=505"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/product_cat?post=505"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/uk\/wp-json\/wp\/v2\/product_tag?post=505"}],"curies":[{"name":"\u0412\u041f","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}