Castelli vs Pearl Izumi:Which is more popular?
In September 2026, Castelli had more branded searches than Pearl Izumi among cycling jersey brands worldwide. Castelli had about 110,000 branded searches, while Pearl Izumi had 27,100. Castelli made up 16.8% of all cycling jersey brand searches we track, and Pearl Izumi accounted for 4.1%. When we asked ChatGPT and Google AI Overviews about cycling jersey brands, Castelli appeared in all five answers and Pearl Izumi in four. Castelli was mentioned before Pearl Izumi in four out of five answers.
Who do people search for more?
Castelli, about 4 searches for every 1 for Pearl Izumi
Who does AI mention more?
Castelli, mentioned in every answer we collected
Who does AI recommend more?
Castelli, named ahead of Pearl Izumi in 4 of 5 answers
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Top cycling jersey brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Castelli appeared in all five answers. Pearl Izumi was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Castelli was listed before Pearl Izumi in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Rapha5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Castelli5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Assos4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Pearl Izumi4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
MAAP3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Van Rysel2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Gore Wear0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Santini0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about cycling jersey brands
5 answers
Asked ChatGPT
“Which cycling jersey brand should I buy?”
Asked ChatGPT
“What are the best cycling jersey brands?”
Asked ChatGPT
“What's the best cycling jersey brand for road cycling?”
Searched Google, AI Overview
“cycling jersey brands”
Searched Google, AI Overview
“best cycling jersey”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Castelli or Pearl Izumi more popular in search?
This chart shows how often people search Google for Castelli and Pearl Izumi by name. Each line represents a brand's share of searches for all eight cycling jersey brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Castelli, Pearl Izumi. The figures are in the table below the chart.
View monthly share of searches table
| Month | Assos | Van Rysel | Rapha | Castelli | Pearl Izumi | Gore Wear | MAAP | Santini |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 24.8% | 16.5% | 24.8% | 20.3% | 4.1% | 6.1% | 2.2% | 1.2% |
| Nov 2025 | 24.8% | 9.1% | 24.8% | 16.7% | 4.1% | 16.7% | 2.7% | 1% |
| Dec 2025 | 27% | 12.1% | 27% | 18% | 4.4% | 8.1% | 2.4% | 1.1% |
| Jan 2026 | 22.2% | 18.2% | 22.2% | 18.2% | 3.7% | 12.2% | 2.4% | 0.89% |
| Feb 2026 | 21.8% | 12% | 21.8% | 21.8% | 4.4% | 14.6% | 2.4% | 1.1% |
| Mar 2026 | 24.6% | 16.5% | 20.2% | 16.5% | 4.1% | 13.5% | 3.3% | 1.2% |
| Apr 2026 | 23.6% | 23.6% | 19.4% | 19.4% | 3.9% | 5.8% | 3.2% | 1.2% |
| May 2026 | 21.6% | 26.4% | 21.6% | 17.7% | 4.3% | 3.6% | 3.6% | 1.3% |
| Jun 2026 | 26.5% | 21.8% | 21.8% | 17.8% | 4.4% | 2.9% | 3.6% | 1.3% |
| Jul 2026 | 27.8% | 22.8% | 22.8% | 15.3% | 3.7% | 2.5% | 3.1% | 2% |
| Aug 2026 | 27.1% | 22.1% | 22.1% | 18.2% | 3.6% | 2.4% | 3% | 1.3% |
| Sep 2026 | 25.1% | 25.1% | 20.6% | 16.8% | 4.1% | 3.4% | 3.4% | 1.5% |
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 share of searches among cycling jersey brands worldwide moved from 20.3% to 16.8%, and its estimated monthly branded searches moved from 135K to 110K.
- Across the 12 months ending September 2026, Pearl Izumi’s share of searches among cycling jersey brands worldwide held steady at 4.1%, and its estimated monthly branded searches held steady at 27.1K.
How did search popularity change for cycling jersey brands worldwide in September 2026?
1 change
In September 2026, Castelli lost share of searches among cycling jersey brands worldwide, from 18.2% to 16.8%.
How are branded searches counted?
2 search terms
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
Other head-to-heads among cycling jersey brands
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