Brandwave

How popular isCastelli in search?

In September 2026, there were an estimated 110K branded searches for Castelli worldwide which is down 18.5% over the last 12 months. Castelli holds 36.4% estimated Share of Search among bike shorts brands worldwide and is ranked 2nd of 3 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Assos54.6%
  2. Castelli36.4%
  3. Pearl Izumi9%
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Which bike shorts brands compete with Castelli?

Castelli against bike shorts brands worldwide, by month

Share of Search by month for Assos, Castelli, Pearl Izumi. The figures are in the table below the chart.

View monthly share of search table
MonthAssosCastelliPearl Izumi
Oct 202550.4%41.3%8.3%
Nov 202554.5%36.6%9%
Dec 202554.6%36.4%9%
Jan 202650.4%41.3%8.3%
Feb 202645.4%45.4%9.1%
Mar 202654.5%36.6%9%
Apr 202650.4%41.3%8.3%
May 202649.4%40.6%10%
Jun 202654.5%36.6%9%
Jul 202659.4%32.6%8%
Aug 202655.4%37.2%7.5%
Sep 202654.6%36.4%9%
  1. 1.Assos

    54.6%

    Held 1st. 165K estimated branded searches, -32.9% vs prior month. Share -0.8 points.

  2. 2.Castelli

    36.4%

    Held 2nd. 110K estimated branded searches, -33.3% vs prior month. Share -0.7 points.

  3. Held 3rd. 27.1K estimated branded searches, -18.1% vs prior month. Share +1.5 points.

Compare search popularity between Castelli and its closest rivals

How has branded search demand for Castelli changed worldwide over the last 12 months?

  • Across the 12 months ending September 2026, estimated monthly branded searches for Castelli worldwide fell from 135K to 110K.
  • 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, 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.

How did search popularity change for bike shorts brands worldwide in September 2026?

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

  2. In September 2026, Assos lost estimated Share of Search among bike shorts brands worldwide, from 55.4% to 54.6%.

  3. In September 2026, Castelli lost estimated Share of Search among bike shorts brands worldwide, from 37.2% to 36.4%.

Where does Castelli compete?

Castelli is ranked in eight competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
Base layer brands5th of 66.2%Show ranking
Bib shorts brands4th of 711.1%Show ranking
Cycling gloves2nd of 613.2%Show ranking
Cycling shorts3rd of 622.3%Show ranking
Cycling jerseys3rd of 623.4%Show ranking
Cycling jersey brands3rd of 326.8%Show ranking
Long sleeve jersey brands3rd of 326.8%Show ranking
Bike shorts brands2nd of 336.4%Shown above

How is Castelli measured?

Brandwave collects information about searches that people make online using Castelli’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

1 branded search term

  • castelli

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How the Brand Demand Index is measured

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Is Castelli your brand?

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