{"id":3602,"date":"2026-10-21T17:44:07","date_gmt":"2026-10-21T09:44:07","guid":{"rendered":"http:\/\/www.labo-iris.com\/blog\/?p=3602"},"modified":"2026-10-21T17:44:07","modified_gmt":"2026-10-21T09:44:07","slug":"what-materials-are-used-in-motorcycle-oem-parts-4ed3-765b9e","status":"publish","type":"post","link":"http:\/\/www.labo-iris.com\/blog\/2026\/10\/21\/what-materials-are-used-in-motorcycle-oem-parts-4ed3-765b9e\/","title":{"rendered":"What materials are used in motorcycle oem parts?"},"content":{"rendered":"

Running my motorcycle OEM parts supply business over the past 12 years, I\u2019ve learned that the parts riders and mechanics trust the most aren\u2019t just assembled\u2014they\u2019re engineered with materials that balance performance, safety, and longevity. When I\u2019m sourcing materials for our OEM parts, every choice ties back to what a rider actually needs: a component that doesn\u2019t fail mid-commute, holds up against rain and road grime, and fits exactly like the factory part it replaces. Too many new suppliers cut corners here, using cheap materials that warp or crack after a few months, but that\u2019s never been how we do things. Motorcycle Oem Parts<\/a><\/p>\n

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Let\u2019s start with the most critical parts that keep riders safe: frame components and engine parts. For motorcycle frames, the gold standard has long been high-strength steel, specifically chromoly (chromium-molybdenum steel), and for good reason. Unlike regular mild steel, chromoly has a higher tensile strength\u2014roughly twice that of mild steel\u2014while still being lightweight enough to keep a bike\u2019s handling responsive. When I worked with a team to develop our entry-level adventure bike frame parts a few years back, we tested three steel grades: mild steel bent too easily in low-speed crashes, stainless steel added unnecessary weight that hurt fuel efficiency, but chromoly hit the sweet spot. We also use it for engine crankcases and connecting rods, because it withstands the constant stress of piston motion and engine vibration without wearing out fast.<\/p>\n

For water-cooled engine components, we lean more on aluminum alloy, specifically 6061 and 7075 grades. 6061 aluminum is versatile, easy to machine, and has good corrosion resistance, so it\u2019s perfect for engine covers, radiators, and thermostat housings. We chose 7075 for high-stress parts like crankshafts and transmission gears because it\u2019s heat-treated for extra strength\u2014though it\u2019s more brittle than 6061, so we limit it to parts that don\u2019t take sudden impact. I\u2019ve seen too many shops use generic aluminum for radiator parts, which corrode within a year when exposed to coolant and road salt, but our 6061 parts are anodized for extra protection, so they last as long as the factory\u2019s original.<\/p>\n

Next, drivetrain and brake parts\u2014areas where riders notice performance immediately. Chains, sprockets, and drive shafts are made from surface-hardened steel, usually 1045 steel. We don\u2019t use raw steel here because it would stretch or wear down after a few thousand miles. Surface hardening means we heat the outer layer of the steel to make it tough and wear-resistant, while keeping the inner core flexible enough to handle torque from the engine. For brakes, brake calipers are almost always made from cast iron or aluminum. Cast iron is heavier but more heat-resistant, so we use it for off-road bike calipers that get slammed through repeated hard stops on dirt. For street bikes, we use forged aluminum calipers because it reduces unsprung weight\u2014this makes the bike handle better, which is why premium sportbike manufacturers use the same material. Brake pads, too, are a mix of materials: organic compounds for street riding, which are quieter and don\u2019t damage rotors, and sintered metal for off-road and performance riding, which can handle extreme heat without fading. I\u2019ll admit, we switched to sintered metal pads for our dirt bike parts three years ago after a client told us his old pads faded halfway through a 100-mile trail ride\u2014now those pads are our best-selling off-road part.<\/p>\n

Fairings and bodywork, the parts that define a bike\u2019s look and aerodynamics, use two main materials: thermoplastics and fiberglass-reinforced plastic (FRP). Thermoplastics like ABS (acrylonitrile butadiene styrene) are the go-to for most street bike fairings because they\u2019re flexible. If a bike falls over at low speed, ABS bends instead of shattering, which means it\u2019s cheaper to repair or replace. We also use ABS with a UV-resistant coating, so it doesn\u2019t fade or crack after years of sitting in the sun. For race bikes and high-performance street bikes, we use carbon fiber composite and FRP. Carbon fiber is super lightweight and strong\u2014we use it for fairing panels and tail sections on our sportbike lines, since every pound saved makes a difference on the track. FRP is more affordable than carbon fiber for larger fairing sections, so it\u2019s a middle ground for riders who want the light, aerodynamic look without the premium price tag. I\u2019ve had a few clients ask why we don\u2019t use fiberglass for everything, and the answer is simple: fiberglass breaks easily in high-speed crashes, so it\u2019s not practical for daily commuters.<\/p>\n

Electrical and rubber parts are often overlooked, but they\u2019re just as important. Wiring harness components use copper, and not just any copper\u2014we use oxygen-free copper because it conducts electricity better, which prevents the electrical gremlins that plague cheap, alloy-wired parts. For connectors, we use nylon plastic that\u2019s heat-resistant, so it doesn\u2019t warp when exposed to engine heat. Rubber parts like gaskets, hoses, and vibration dampers are made from nitrile rubber for oil and coolant resistance, or silicone rubber for high-heat applications like exhaust hoses. We tested a silicone hose line last year for a customer who ran his bike at 140 degrees on a track day, and the nitrile hoses he was using cracked mid-session\u2014so we switched all our high-heat rubber parts to silicone, and we haven\u2019t had a single complaint since.<\/p>\n

When we\u2019re selecting materials for OEM parts, it\u2019s not just about strength or cost\u2014we also consider compatibility. We never use a material that reacts poorly with another part of the bike. For example, we make sure our steel bolts don\u2019t corrode when they touch aluminum engine parts, so we add a zinc plating to the bolts that acts as a barrier. We also test every material in real-world conditions: I send samples of our radiator parts to a client in northern Canada, where salt on the roads causes extra corrosion, and another sample to a client in Texas, where high temperatures test UV resistance. That hands-on testing is what makes our parts stand out\u2014we don\u2019t just rely on lab tests, we see how they perform when riders are actually using them.<\/p>\n

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If you\u2019re a mechanic, a bike shop owner, or a rider looking for OEM parts that work as good as the original, we make parts using exactly the same materials as the big manufacturers\u2014no corners cut. We\u2019ve supplied thousands of parts over the years, and the feedback we get is that our parts fit perfectly, last longer than aftermarket alternatives, and perform consistently. If you\u2019re interested in ordering or have questions about specific materials for your bike, reach out to us to discuss your needs. We\u2019re here to help you find the right parts that balance safety, performance, and value.<\/p>\n

Motorcycle Parts<\/a> References<\/p>\n

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  1. Motorcycle Engineering Handbook, SAE International, 2021<\/li>\n
  2. Materials for Automotive and Motorcycle Components, Springer, 2019<\/li>\n
  3. OEM Motorcycle Parts Manufacturing Guidelines, Motorcycle Industry Council, 2022<\/li>\n<\/ol>\n
    \n

    J. Y. Montage Trade Industry Co., Ltd.<\/a>
    As one of the most professional motorcycle oem parts manufacturers and suppliers, we’re featured by quality products and good price. Please rest assured to wholesale bulk customized motorcycle oem parts from our factory. Welcome to contact us for quotation.
    Address: No.47, Jianbao St., Changhua City, Changhua County 50060, Taiwan (R.O.C.)
    E-mail: marketing@jy-montage.com
    WebSite:     https:\/\/www.sakamoto-tire.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Running my motorcycle OEM parts supply business over the past 12 years, I\u2019ve learned that the … What materials are used in motorcycle oem parts?<\/span>Read more<\/a><\/p>\n","protected":false},"author":137,"featured_media":3602,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3565],"class_list":["post-3602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-motorcycle-oem-parts-4fba-7696df"],"_links":{"self":[{"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/posts\/3602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/comments?post=3602"}],"version-history":[{"count":0,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/posts\/3602\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/posts\/3602"}],"wp:attachment":[{"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/media?parent=3602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/categories?post=3602"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.labo-iris.com\/blog\/wp-json\/wp\/v2\/tags?post=3602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}