Giro vs Troy Lee Designs:Which is more popular?
In September 2026, Troy Lee Designs had more branded searches than Giro among MTB helmet brands worldwide. Troy Lee Designs had about 60,500 branded searches, while Giro had 52,200. Troy Lee Designs made up 25.3% of all MTB helmet brand searches we track, and Giro accounted for 21.8%. When we asked ChatGPT and Google AI Overviews about MTB helmet brands, Giro appeared in four of the five answers and Troy Lee Designs in three. Giro was mentioned before Troy Lee Designs in two out of three answers that named either.
Who do people search for more?
Troy Lee Designs, about 16% more searches than Giro
Who does AI mention more?
Giro, mentioned in 4 of 5 answers, Troy Lee Designs in 3
Who does AI recommend more?
Giro, named ahead of Troy Lee Designs in 2 of 3 answers
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Top MTB helmet brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Giro was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Troy Lee Designs was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Giro was listed before Troy Lee Designs in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
POC1st
Fox Racing2nd
Smith3rd
Giro4th
Troy Lee Designs5th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
POC5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Fox Racing4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Giro4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Troy Lee Designs3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Smith3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about MTB helmet brands
5 answers
Asked ChatGPT
“Which MTB helmet brand should I buy?”
Asked ChatGPT
“What are the best MTB helmet brands?”
Asked ChatGPT
“What's the best MTB helmet brand for trail protection?”
Searched Google, AI Overview
“best mtb helmet”
Searched Google, AI Overview
“mountain bike helmet”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Giro or Troy Lee Designs more popular in search?
This chart shows how often people search Google for Giro and Troy Lee Designs by name. Each line represents a brand's share of searches for all five MTB helmet brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Troy Lee Designs, Giro. The figures are in the table below the chart.
View monthly share of searches table
| Month | Fox Racing | Troy Lee Designs | Giro | POC | Smith |
|---|---|---|---|---|---|
| Oct 2025 | 29.7% | 26.6% | 24.7% | 17.8% | 1.3% |
| Nov 2025 | 31.1% | 22.7% | 26.3% | 18.6% | 1.4% |
| Dec 2025 | 30.7% | 18.4% | 31.5% | 18.4% | 1.1% |
| Jan 2026 | 23.9% | 20.2% | 34.4% | 20.2% | 1.2% |
| Feb 2026 | 25.6% | 26.4% | 25.3% | 21.6% | 1% |
| Mar 2026 | 30.2% | 27% | 23.3% | 18.1% | 1.3% |
| Apr 2026 | 32.8% | 22.6% | 24.7% | 18.5% | 1.3% |
| May 2026 | 35.8% | 21.4% | 23.7% | 17.5% | 1.6% |
| Jun 2026 | 38.9% | 23.3% | 20.8% | 15.6% | 1.4% |
| Jul 2026 | 28.3% | 20.7% | 36% | 13.8% | 1.2% |
| Aug 2026 | 27.9% | 24.9% | 29.3% | 16.7% | 1.2% |
| Sep 2026 | 34.5% | 25.3% | 21.8% | 16.9% | 1.5% |
How has the Giro and Troy Lee Designs comparison changed over the last 12 months?
3 findings
- The lead changed hands 6 times in the 12 months ending September 2026: Giro took it in November 2025, Troy Lee Designs took it in February 2026, Giro took it in April 2026, Troy Lee Designs took it in June 2026, Giro took it in July 2026, Troy Lee Designs took it in September 2026.
- Across the 12 months ending September 2026, Giro’s share of searches among MTB helmet brands worldwide moved from 24.7% to 21.8%, and its estimated monthly branded searches moved from 56.2K to 52.2K.
- Across the 12 months ending September 2026, Troy Lee Designs’ share of searches among MTB helmet brands worldwide moved from 26.6% to 25.3%, and its estimated monthly branded searches held steady at 60.5K.
How did search popularity change for MTB helmet brands worldwide in September 2026?
3 changes

In September 2026, Fox Racing overtook Giro to become the leader among MTB helmet brands worldwide, with 34.5% of the searches.

In September 2026, Giro lost share of searches among MTB helmet brands worldwide, from 29.3% to 21.8%.

In September 2026, Troy Lee Designs rose from 3rd to 2nd among MTB helmet brands worldwide.
How are branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Giro’s and Troy Lee Designs’ 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.
Giro
4 branded search terms
- giro bike
- giro bike helmet
- giro cycling helmet
- giro helmet
Troy Lee Designs
1 branded search term
- troy lee designs
Other head-to-heads among MTB helmet brands

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