Castelli vs Pearl Izumi:Which is searched more?
In September 2026, Castelli had more branded searches than Pearl Izumi among bike shorts brands worldwide. Castelli was estimated to have 110K branded searches compared to Pearl Izumi’s 27.1K, and held a 36.4% Share of Search versus Pearl Izumi’s 9%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Castelli or Pearl Izumi?
Compare the bike shorts brands people buy. 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.
Share of Search by month for Castelli, Pearl Izumi. The figures are in the table below the chart.
View monthly share of search table
| Month | Assos | Castelli | Pearl Izumi |
|---|---|---|---|
| Oct 2025 | 50.4% | 41.3% | 8.3% |
| Nov 2025 | 54.5% | 36.6% | 9% |
| Dec 2025 | 54.6% | 36.4% | 9% |
| Jan 2026 | 50.4% | 41.3% | 8.3% |
| Feb 2026 | 45.4% | 45.4% | 9.1% |
| Mar 2026 | 54.5% | 36.6% | 9% |
| Apr 2026 | 50.4% | 41.3% | 8.3% |
| May 2026 | 49.4% | 40.6% | 10% |
| Jun 2026 | 54.5% | 36.6% | 9% |
| Jul 2026 | 59.4% | 32.6% | 8% |
| Aug 2026 | 55.4% | 37.2% | 7.5% |
| Sep 2026 | 54.6% | 36.4% | 9% |
How has the Castelli and Pearl Izumi comparison changed over the last 12 months?
3 findings
- Castelli was ahead of Pearl Izumi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Castelli’s estimated Share of Search among bike shorts brands worldwide moved from 41.3% to 36.4%, and its estimated monthly branded searches moved from 135K to 110K.
- Across the 12 months ending September 2026, Pearl Izumi’s estimated Share of Search among bike shorts brands worldwide moved from 8.3% to 9%, and its estimated monthly branded searches held steady at 27.1K.
How did search popularity change for bike shorts brands worldwide in September 2026?
2 changes

In September 2026, Pearl Izumi gained estimated Share of Search among bike shorts brands worldwide, from 7.5% to 9%.

In September 2026, Castelli lost estimated Share of Search among bike shorts brands worldwide, from 37.2% to 36.4%.
Other head-to-heads among bike shorts brands
How each brand is measured
Brandwave collects information about searches that people make online using Castelli’s and Pearl Izumi’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Castelli
1 branded search term
- castelli
Pearl Izumi
1 branded search term
- pearl izumi

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.