Castelli vs Rapha:Which is searched more?
In September 2026, Rapha had more branded searches than Castelli among bib shorts brands worldwide. Rapha was estimated to have 135K branded searches compared to Castelli’s 110K, and held an 18.2% Share of Search versus Castelli’s 14.8%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Castelli or Rapha?
Compare the bib 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 Rapha, Castelli. The figures are in the table below the chart.
View monthly share of search table
| Month | Specialized | Assos | Rapha | Castelli | Endura | Pearl Izumi | Santini |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 28.4% | 21.8% | 21.8% | 17.9% | 5.4% | 3.6% | 1.1% |
| Nov 2025 | 25.7% | 24.1% | 24.1% | 16.2% | 4.9% | 4% | 0.97% |
| Dec 2025 | 25.7% | 24.2% | 24.2% | 16.1% | 4.9% | 4% | 0.97% |
| Jan 2026 | 25.5% | 22.8% | 22.8% | 18.7% | 5.6% | 3.7% | 0.91% |
| Feb 2026 | 27.1% | 20.9% | 20.9% | 20.9% | 5.1% | 4.2% | 1% |
| Mar 2026 | 32% | 23.4% | 19.2% | 15.7% | 4.7% | 3.9% | 1.2% |
| Apr 2026 | 34.2% | 21.5% | 17.7% | 17.7% | 4.3% | 3.5% | 1.1% |
| May 2026 | 33.8% | 20.2% | 20.2% | 16.6% | 4.1% | 4.1% | 1.2% |
| Jun 2026 | 32.3% | 23.6% | 19.4% | 15.8% | 3.9% | 3.9% | 1.2% |
| Jul 2026 | 29.2% | 26.1% | 21.4% | 14.3% | 3.5% | 3.5% | 1.9% |
| Aug 2026 | 28.5% | 25.5% | 20.8% | 17.1% | 3.4% | 3.4% | 1.3% |
| Sep 2026 | 35.3% | 22.2% | 18.2% | 14.8% | 4.5% | 3.7% | 1.3% |
How has the Castelli and Rapha comparison changed over the last 12 months?
3 findings
- Rapha was ahead of Castelli 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 bib shorts brands worldwide moved from 17.9% to 14.8%, and its estimated monthly branded searches moved from 135K to 110K.
- Across the 12 months ending September 2026, Rapha’s estimated Share of Search among bib shorts brands worldwide moved from 21.8% to 18.2%, and its estimated monthly branded searches moved from 165K to 135K.
How did search popularity change for bib shorts brands worldwide in September 2026?
2 changes
In September 2026, Rapha lost estimated Share of Search among bib shorts brands worldwide, from 20.8% to 18.2%.
In September 2026, Castelli lost estimated Share of Search among bib shorts brands worldwide, from 17.1% to 14.8%.
Other head-to-heads among bib shorts brands
How each brand is measured
Brandwave collects information about searches that people make online using Castelli’s and Rapha’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.
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