--- title: "Bike shorts brands: Which are searched most?" description: "Compare the bike shorts brands people buy. Share of Search among Assos, Castelli and Pearl Izumi, the bike shorts brands Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/categories/bike-shorts-brands" publisher: "Brandwave" --- # Bike shorts brands: Which are searched most? Compare the bike shorts brands people buy. Share of Search among Assos, Castelli and Pearl Izumi, the bike shorts brands Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Competitive set**: Bike shorts brands - **Market**: Global - **Brands compared**: 3 - **Month measured**: Sep 2026 - **Highest Share of Search**: Assos, 54.6% ## Which brand is most popular in search among bike shorts brands worldwide? - In September 2026, Assos was the most searched among bike shorts brands worldwide, with an estimated 165K branded searches and 54.6% estimated Share of Search within this set. - Castelli is in 2nd place, 18.2 percentage points behind at 36.4% Share of Search. - Across the 12 months ending September 2026, Assos’ estimated Share of Search among bike shorts brands worldwide increased from 50.4% to 54.6%. - Across the 12 months ending September 2026, Castelli’s estimated Share of Search among bike shorts brands worldwide decreased from 41.3% to 36.4%. - Across the 12 months ending September 2026, Pearl Izumi’s estimated Share of Search among bike shorts brands worldwide increased from 8.3% to 9%. - Across the 12 months ending September 2026, Assos’ estimated Share of Search among bike shorts brands worldwide peaked at 59.4% in July 2026 and was lowest at 45.4% in February 2026. - Across the 12 months ending September 2026, Castelli’s estimated Share of Search among bike shorts brands worldwide peaked at 45.4% in February 2026 and was lowest at 32.6% in July 2026. - Across the 12 months ending September 2026, Pearl Izumi’s estimated Share of Search among bike shorts brands worldwide peaked at 10% in May 2026 and was lowest at 7.5% in August 2026. ## Compare search popularity between leading brands - [Assos vs Castelli: compare search popularity](/demand/global-en/compare/assos-vs-castelli): 54.6% against 36.4% Share of Search. - [Assos vs Pearl Izumi: compare search popularity](/demand/global-en/compare/assos-vs-pearl-izumi): 54.6% against 9% Share of Search. - [Castelli vs Pearl Izumi: compare search popularity](/demand/global-en/compare/castelli-vs-pearl-izumi): 36.4% against 9% Share of Search. ## How did search popularity change for bike shorts brands worldwide in September 2026? - In September 2026, Pearl Izumi gained estimated Share of Search among bike shorts brands worldwide, from 7.5% to 9%. - In September 2026, Assos lost estimated Share of Search among bike shorts brands worldwide, from 55.4% to 54.6%. - In September 2026, Castelli lost estimated Share of Search among bike shorts brands worldwide, from 37.2% to 36.4%. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | Assos | 54.6% | 165K | -32.9% | Assos | | 2 | Castelli | 36.4% | 110K | -33.3% | Castelli | | 3 | Pearl Izumi | 9% | 27.1K | -18.1% | Pearl Izumi | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Assos | 165K | 50.4% | 1 | | Oct 2025 | Castelli | 135K | 41.3% | 2 | | Oct 2025 | Pearl Izumi | 27.1K | 8.3% | 3 | | Nov 2025 | Assos | 201K | 54.5% | 1 | | Nov 2025 | Castelli | 135K | 36.6% | 2 | | Nov 2025 | Pearl Izumi | 33.1K | 9% | 3 | | Dec 2025 | Assos | 165K | 54.6% | 1 | | Dec 2025 | Castelli | 110K | 36.4% | 2 | | Dec 2025 | Pearl Izumi | 27.1K | 9% | 3 | | Jan 2026 | Assos | 165K | 50.4% | 1 | | Jan 2026 | Castelli | 135K | 41.3% | 2 | | Jan 2026 | Pearl Izumi | 27.1K | 8.3% | 3 | | Feb 2026 | Assos | 135K | 45.4% | 1 | | Feb 2026 | Castelli | 135K | 45.4% | 2 | | Feb 2026 | Pearl Izumi | 27.1K | 9.1% | 3 | | Mar 2026 | Assos | 201K | 54.5% | 1 | | Mar 2026 | Castelli | 135K | 36.6% | 2 | | Mar 2026 | Pearl Izumi | 33.1K | 9% | 3 | | Apr 2026 | Assos | 201K | 50.4% | 1 | | Apr 2026 | Castelli | 165K | 41.3% | 2 | | Apr 2026 | Pearl Izumi | 33.1K | 8.3% | 3 | | May 2026 | Assos | 201K | 49.4% | 1 | | May 2026 | Castelli | 165K | 40.6% | 2 | | May 2026 | Pearl Izumi | 40.5K | 10% | 3 | | Jun 2026 | Assos | 201K | 54.5% | 1 | | Jun 2026 | Castelli | 135K | 36.6% | 2 | | Jun 2026 | Pearl Izumi | 33.1K | 9% | 3 | | Jul 2026 | Assos | 246K | 59.4% | 1 | | Jul 2026 | Castelli | 135K | 32.6% | 2 | | Jul 2026 | Pearl Izumi | 33.1K | 8% | 3 | | Aug 2026 | Assos | 246K | 55.4% | 1 | | Aug 2026 | Castelli | 165K | 37.2% | 2 | | Aug 2026 | Pearl Izumi | 33.1K | 7.5% | 3 | | Sep 2026 | Assos | 165K | 54.6% | 1 | | Sep 2026 | Castelli | 110K | 36.4% | 2 | | Sep 2026 | Pearl Izumi | 27.1K | 9% | 3 | ## What is being compared - **Assos**: Measured on the search term “assos”. - **Castelli**: Measured on the search term “castelli”. - **Pearl Izumi**: Measured on the search term “pearl izumi”. - [Assos](/demand/global-en/brands/assos) - [Castelli](/demand/global-en/brands/castelli) - [Pearl Izumi](/demand/global-en/brands/pearl-izumi) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which brand is most popular in search among bike shorts brands worldwide? In September 2026, Assos was the most searched among bike shorts brands worldwide, with an estimated 165K branded searches and 54.6% estimated Share of Search within this set. These are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "Bike shorts brands: Which are searched most?". https://gobrandwave.com/demand/global-en/categories/bike-shorts-brands This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/bike-shorts-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.