Tange International Co.

Tange International Co. is a Japanese bicycle-industry manufacturer best known for steel tubing used in bicycle frames and forks. Founded in Sakai, Osaka, in 1920 by Yasujiro Tange, the company developed from a producer of forks and chromium-molybdenum steel frame tubes into a specialist supplier of tubing and structural frame components for road bicycles, BMX bicycles, mountain bikes, touring bicycles, and custom-built frames. Tange occupies a position comparable to Reynolds Technology in the United Kingdom and Columbus in Italy. Reynolds tubing became a widely recognized benchmark on European bicycles, while Tange became an important Japanese and wider Asian counterpart. During the bicycle manufacturing expansion of the 1980s, Tange tubing appeared on numerous higher-quality bicycles produced in East Asia, where its cost and performance made it a practical alternative to imported European tubing. Its products have also been used by major bicycle brands and independent frame builders. The company’s manufacturing history includes several important technical and organizational stages. Tange moved its facilities to Sakai City in 1950 and received Japanese Industrial Standard certification in 1958. Beginning in 1974, it broadened its frame-component production beyond primary tubes to include seat stays, chain stays, dropouts, lugs, and headsets. This expanded portfolio allowed Tange to serve complete frame-production programs as well as specialist builders. Tange’s reputation is particularly associated with its Prestige tubing, introduced in 1984. Prestige was positioned as a lightweight, high-strength steel tubing series with a distinctive ride response often described by frame builders as a lively or spring-like feel. The company also produced Champion No. 1 and Champion No. 2 tubing for conventional road and touring applications, later adding the ultra-lightweight Ultimate range and the slender Slender series. Its modern range is described as having four principal tiers: Tange Chromo, Infinity, Prestige, and Ultimate. Although historically associated with both chromium-molybdenum and so-called Mangaloy steel tubing, Tange’s contemporary range is based on chromoly steel. The company moved production to Taiwan, reflecting the concentration of bicycle-component manufacturing in Taiwan and the wider East Asian supply chain. Tange tubing has been used by brands including Soma, Pinarello, and Charge, as well as by custom frame builders. Soma has used Tange Prestige tubing since 2007, and Tange Prestige was identified as the first non-Italian tubing used by Pinarello. In 2015, Tange expanded beyond supplying tubing to bicycle manufacturers by launching its own bicycle brand, YASUJIRO, named after its founder. This move gave the company a consumer-facing presence while retaining its historical identity as a materials and component specialist. Tange remains primarily associated with high-quality steel bicycle-frame tubing rather than mass-market complete bicycles.

Tange International Co. traces its origins to Sakai, Osaka, where Yasujiro Tange founded the company in 1920. Its early manufacturing activities centered on bicycle forks and frame tubes made from chromium-molybdenum steel. This established the company in a technically demanding part of the bicycle business, where tubing composition, diameter, wall thickness, weight, and ride characteristics directly affect the performance and durability of a finished frame. In 1950, Tange moved its facilities to Sakai City. The company reached another institutional milestone in 1958 when it received Japanese Industrial Standard certification. Certification helped reinforce its role as a Japanese industrial supplier at a time when standardized manufacturing and quality assurance were increasingly important to bicycle production. Tange expanded its range in 1974 by beginning production of additional frame components, including seat stays, chain stays, dropouts, lugs, and headsets. This broadened the company’s relationship with bicycle manufacturers and custom frame builders. Rather than supplying only straight tubes, Tange could support more of the structural and joining elements required to build a complete steel frame. Its products became associated with road-racing bicycles, BMX bicycles, mountain bikes, touring bicycles, and bespoke frames. During the bicycle manufacturing growth of the 1980s, Tange tubing was widely used on higher-quality bicycles made in East Asia. European Reynolds steel remained a de facto reference point for many European bicycle markets, but Tange served as an important Japanese alternative and was often selected where manufacturers sought a balance of performance, availability, and cost. The company’s products were used by major bicycle brands as well as by independent builders. The Prestige series, introduced in 1984, became Tange’s best-known tubing line. It was valued for low weight, high tensile strength, and a characteristic responsive ride quality. Tange also offered Champion No. 1 and Champion No. 2 as more conventional tubing options for road and touring bicycles. Later additions included the ultra-lightweight Ultimate series and the slim Slender range. The modern catalog is organized around Tange Chromo, Infinity, Prestige, and Ultimate tiers. Tange’s production later moved to Taiwan, aligning the company with the region’s importance in global bicycle manufacturing. The company continued to focus on chromoly steel tubing rather than shifting entirely to aluminum or carbon fiber. Its tubing has been adopted by brands such as Soma, Pinarello, and Charge. Soma has used Tange Prestige since 2007, while Tange Prestige was reported as the first non-Italian tubing used by Pinarello. These applications helped maintain Tange’s visibility among enthusiasts and specialist builders even as many mainstream bicycle manufacturers moved toward other materials. In 2015, Tange introduced YASUJIRO, its own bicycle brand. The launch represented an extension of the company’s historical materials business into branded bicycles and created a direct consumer-facing expression of the Tange name and heritage. Tange remains principally known as a steel-tubing and bicycle-frame-component manufacturer, with its standing based on specialist engineering, Japanese industrial origins, and continued participation in the international bicycle supply chain.

• 2015

  YASUJIRO bicycle brand launched

  [1]Tange International Co.en.wikipedia.org

  Tange launched YASUJIRO, its own bicycle brand, extending the company beyond component and materials supply.

• 2007

  Soma began using Tange Prestige

  [1]Tange International Co.en.wikipedia.org

  Soma began using Tange Prestige tubing in its steel bicycle frames.

• 1984

  Prestige tubing introduced

  [1]Tange International Co.en.wikipedia.org

  Tange introduced Prestige, a lightweight, high-strength steel tubing range that became one of its signature products.

• 1974

  Expanded into frame components

  [1]Tange International Co.en.wikipedia.org

  Tange began producing seat stays, chain stays, dropouts, lugs, and headsets in addition to primary frame tubes.

• 1958

  Received JIS certification

  [1]Tange International Co.en.wikipedia.org

  The company received Japanese Industrial Standard certification.

• 1950

  Facilities moved to Sakai City

  [1]Tange International Co.en.wikipedia.org

  Tange relocated its facilities to Sakai City, reinforcing its manufacturing base in Osaka Prefecture.

• 1920

  Company founded in Sakai

  [1]Tange International Co.en.wikipedia.org

  Yasujiro Tange founded the company in Sakai, Osaka, establishing its long-term focus on bicycle forks and steel frame tubing.

A specialist, quality-oriented supplier of steel bicycle-frame tubing and frame components, positioned against established tubing makers such as Reynolds and Columbus. Its differentiation rests on lightweight chromoly tubing, long-standing Japanese bicycle-industry expertise, and use by recognized bicycle brands and custom frame builders.

• Steel bicycle-frame tubing

  Tange Chromo

  Tange Chromo is one of the company’s contemporary chromoly steel tubing tiers. It serves as a general-purpose platform for steel bicycle frames and reflects Tange’s continuing emphasis on steel materials for road, touring, utility, and other bicycle applications.

• Steel bicycle-frame tubing

  Tange Infinity

  Infinity is a current Tange tubing tier positioned within the company’s chromoly range. It is intended for bicycle-frame construction where builders seek the handling, durability, and manufacturing familiarity of steel while selecting a specification distinct from the company’s Prestige and Ultimate lines.

• Lightweight steel bicycle-frame tubing · 1984

  Tange Prestige

  Introduced in 1984, Prestige is Tange’s most prominent tubing family. It is associated with low weight, high tensile strength, and a distinctive responsive ride quality. The range has been used by established bicycle brands and custom frame builders, including Soma and Pinarello applications cited in reference material.

• Ultra-lightweight steel bicycle-frame tubing

  Tange Ultimate

  Ultimate is Tange’s ultra-lightweight tubing range. It extends the company’s chromoly offering toward builders prioritizing low frame weight while retaining the manufacturing and ride characteristics associated with steel construction.

• Steel bicycle-frame tubing

  Tange Champion No. 1 and No. 2

  The Champion No. 1 and No. 2 series were established as standard tubing options for road bicycles and touring frames. They represent Tange’s broader range beyond premium lightweight lines and were selected for conventional steel-frame applications.

• Slim steel bicycle-frame tubing

  Tange Slender

  Slender is a later Tange tubing addition characterized by slim dimensions. It gives frame builders another geometry and appearance option within the company’s steel tubing portfolio.

• Bicycles · 2015

  YASUJIRO

  YASUJIRO is Tange’s own bicycle brand, launched in 2015. It represents the company’s move from supplying tubing and frame components to offering complete bicycles under a consumer-facing name connected to founder Yasujiro Tange.

• 2015

  Expansion into complete bicycles through YASUJIROStrategy

  Background

  Tange had historically operated primarily as a supplier of steel tubing and bicycle-frame components to other manufacturers and frame builders.

  Action taken

  The company launched its own YASUJIRO bicycle brand, extending its activities into complete bicycles.

  Aftermath

  The move gave Tange a direct bicycle brand while preserving its identity as a specialist steel-tubing manufacturer. Detailed sales or market-share effects are not documented in the supplied material.

  Source

• 2015

  Tange launches the YASUJIRO bicycle brand[1]Tange International Co.en.wikipedia.org

  Product launch

  Tange International Co. expanded from supplying steel tubing and frame components to operating a bicycle brand of its own, launching YASUJIRO.

1. 1Tange International Co.en.wikipedia.org