{"id":3523,"date":"2026-04-02T07:20:22","date_gmt":"2026-04-02T07:20:22","guid":{"rendered":"https:\/\/motorcyclechain.top\/?post_type=product&p=3523"},"modified":"2026-04-02T07:20:26","modified_gmt":"2026-04-02T07:20:26","slug":"professional-motorcycle-chain-415p-420p-428p-520p-530p-solid-bush-serie","status":"publish","type":"product","link":"https:\/\/motorcyclechain.top\/ja\/product\/professional-motorcycle-chain-415p-420p-428p-520p-530p-solid-bush-serie\/","title":{"rendered":"\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u30e2\u30fc\u30bf\u30fc\u30b5\u30a4\u30af\u30eb\u30c1\u30a7\u30fc\u30f3 \u2014 415P \/ 420P \/ 428P \/ 520P \/ 530P \u30bd\u30ea\u30c3\u30c9\u30d6\u30c3\u30b7\u30e5\u30b7\u30ea\u30fc\u30ba"},"content":{"rendered":"
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\u88fd\u54c1\u6982\u8981<\/h2>\n

A professional motorcycle chain<\/strong> is a high-performance drive chain built to tighter dimensional tolerances and from higher-grade materials than standard roller chains. These chains are typically used by professional racers and experienced riders who demand consistent, predictable power delivery and are prepared to maintain their drivetrain at shorter intervals to achieve it. Professional chains prioritise low friction, accurate pitch, and structural integrity under peak mechanical loads \u2014 the properties that determine whether a chain behaves consistently lap after lap or road segment after road segment rather than just surviving through a replacement interval.<\/p>\n

\"\u30d7\u30ed\u306e\u30aa\u30fc\u30c8\u30d0\u30a4\u30c1\u30a7\u30fc\u30f31\"<\/p>\n

Korea Ever-Power Motorcycle Chain Co., Ltd. supplies the P-series professional motorcycle chain in five sizes: 415P, 420P, 428P, 520P, and 530P. All five use solid-bore bushing construction \u2014 the same bushing type found in our motocross chain range \u2014 which provides greater radial stiffness and a larger pin-bushing contact area than the curled bushings used in standard-series and reinforced H-grade chains. The P designation reflects both the solid bushing and the tighter overall manufacturing tolerances applied to this series. Tensile strengths range from 15.6 kN on the 415P through to 28.0 kN on the 520P and 530P.<\/p>\n<\/div>\n

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Professional Motorcycle Chain Size Chart<\/h2>\n
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All five P-series professional chains use solid-bore bushings machined from high-quality alloy steel. The 520P and 530P run 2.40 mm inner plates and 2.35 mm outer plates \u2014 identical in gauge to our 520H and 530H reinforced H-grade chains \u2014 combined with solid bushing construction that provides better dimensional stability under the cyclic loads of performance riding. The 415P through 428P are sized for smaller-displacement high-performance applications where weight and friction efficiency are the primary criteria alongside strength.<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n
\u30c1\u30a7\u30fc\u30f3\u756a\u53f7<\/th>\n\u30d4\u30c3\u30c1\uff08mm\uff09<\/th>\n\u30d6\u30c3\u30b7\u30e5\u30bf\u30a4\u30d7<\/th>\n\u5e45\uff08mm\uff09<\/th>\n\u30d4\u30f3\u5f84\uff08mm\uff09<\/th>\n\u30d4\u30f3\u306e\u9577\u3055\uff08mm\uff09<\/th>\n\u30ed\u30fc\u30e9\u30fc\u5f84\uff08mm\uff09<\/th>\n\u30d7\u30ec\u30fc\u30c8T\u5185\u5f84\uff08mm\uff09<\/th>\n\u30d7\u30ec\u30fc\u30c8T\u5916\u5f84\uff08mm\uff09<\/th>\n\u5f15\u5f35\u5f37\u5ea6\uff08kN\uff09<\/th>\n\u4f53\u91cd\uff08kg\/m\uff09<\/th>\n<\/tr>\n<\/thead>\n
415P<\/td>\n12.700<\/td>\n\u56fa\u4f53<\/td>\n4.76<\/td>\n3.96<\/td>\n13.00<\/td>\n7.76<\/td>\n1.50<\/td>\n1.50<\/td>\n15.6<\/td>\n0.53<\/td>\n<\/tr>\n
420P<\/td>\n12.700<\/td>\n\u56fa\u4f53<\/td>\n6.35<\/td>\n3.96<\/td>\n15.50<\/td>\n7.77<\/td>\n1.60<\/td>\n1.60<\/td>\n16.0<\/td>\n0.57<\/td>\n<\/tr>\n
428P<\/td>\n12.700<\/td>\n\u56fa\u4f53<\/td>\n7.85<\/td>\n4.45<\/td>\n16.70<\/td>\n8.51<\/td>\n1.60<\/td>\n1.60<\/td>\n17.8<\/td>\n0.71<\/td>\n<\/tr>\n
520P<\/td>\n15.875<\/td>\n\u56fa\u4f53<\/td>\n6.35<\/td>\n5.08<\/td>\n19.00<\/td>\n10.16<\/td>\n2.40<\/td>\n2.35<\/td>\n28.0<\/td>\n1.02<\/td>\n<\/tr>\n
530P<\/td>\n15.875<\/td>\n\u56fa\u4f53<\/td>\n9.53<\/td>\n5.08<\/td>\n22.10<\/td>\n10.16<\/td>\n2.40<\/td>\n2.35<\/td>\n28.0<\/td>\n1.15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Advantages of the Professional Motorcycle Chain<\/h2>\n
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Professional motorcycle chains offer measurable advantages over standard-series chains for riders and applications where drivetrain performance and reliability matter. These advantages are rooted in construction differences \u2014 specifically the solid bushing and tighter-tolerance production \u2014 rather than marketing positioning.<\/p>\n

\"professional<\/p>\n<\/div>\n