Assos vs Castelli:Which is more popular?
In September 2026, Assos and Castelli were level in searches among bib shorts brands in New Zealand, with an estimated 190 versus 200 branded searches, at 6.6% and 7% of the total. When we asked ChatGPT and Google AI Overviews about bib shorts brands, Castelli appeared in four of the five answers and Assos in three. Assos was mentioned before Castelli in three out of four answers.
Who do people search for more?
Castelli, about 5% more searches than Assos
Who does AI mention more?
Castelli, mentioned in 4 of 5 answers, Assos in 3
Who does AI recommend more?
Assos, named ahead of Castelli in 3 of 4 answers
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Top bib shorts brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Castelli was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Assos was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Assos was listed before Castelli in three out of four 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- Castelli4 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- Assos3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Tineli2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Specialized1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Endura0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about bib shorts brands
5 answers
Asked ChatGPT
“Which bib shorts brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best bib shorts brands in New Zealand?”
Asked ChatGPT
“What's the best bib shorts brand in New Zealand for long rides?”
Searched Google, AI Overview
“bib shorts nz”
Searched Google, AI Overview
“cycling bib shorts”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is Assos or Castelli more popular in search?
This chart shows how often people search Google for Assos and Castelli by name. Each line represents a brand's share of searches for all seven bib shorts brands we track, month by month, from searches in New Zealand.
Share of searches by month for Castelli, Assos. The figures are in the table below the chart.
View monthly share of searches table
| Month | MAAP | Rapha | Tineli | Endura | Castelli | Assos | Specialized |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 36% | 26.8% | 14.3% | 7.7% | 8.8% | 5.9% | 0.37% |
| Nov 2025 | 45.2% | 23% | 12.8% | 5.6% | 6.1% | 7% | 0.27% |
| Dec 2025 | 41.4% | 24.1% | 13.4% | 5.9% | 6.6% | 8.3% | 0.34% |
| Jan 2026 | 39.9% | 29.6% | 10.6% | 7% | 6.3% | 6.3% | 0.33% |
| Feb 2026 | 39.3% | 26.2% | 11% | 7.2% | 7.6% | 8.3% | 0.34% |
| Mar 2026 | 43.3% | 23.7% | 10% | 8.1% | 7.2% | 7.5% | 0.31% |
| Apr 2026 | 38.5% | 25.6% | 10.3% | 8.3% | 9.3% | 7.7% | 0.32% |
| May 2026 | 38.5% | 28.6% | 9.3% | 5% | 10.8% | 7.6% | 0.29% |
| Jun 2026 | 44% | 25.3% | 8.2% | 6.6% | 9.5% | 6% | 0.32% |
| Jul 2026 | 39.2% | 27.5% | 11% | 7.2% | 8.2% | 6.5% | 0.34% |
| Aug 2026 | 33.1% | 27% | 10.8% | 13.2% | 7.4% | 8.1% | 0.34% |
| Sep 2026 | 39.7% | 27.9% | 11.1% | 7.3% | 7% | 6.6% | 0.35% |
How has the Assos and Castelli comparison changed over the last 12 months?
3 findings
- The lead changed hands 4 times in the 12 months ending September 2026: Assos took it in November 2025, Castelli took it in April 2026, Assos took it in August 2026, Castelli took it in September 2026.
- Across the 12 months ending September 2026, Assos’ share of searches among bib shorts brands in New Zealand moved from 5.9% to 6.6%, and its estimated monthly branded searches moved from 160 to 190.
- Across the 12 months ending September 2026, Castelli’s share of searches among bib shorts brands in New Zealand moved from 8.8% to 7%, and its estimated monthly branded searches moved from 240 to 200.
How did search popularity change for New Zealand bib shorts brands in September 2026?
2 changes
In September 2026, Assos lost share of searches among bib shorts brands in New Zealand, from 8.1% to 6.6%.
Castelli’s share of searches among bib shorts brands in New Zealand has lost ground for 3 months in a row, from 9.5% to 7% in September 2026.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Assos’ and Castelli’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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