Bike Helmets data library
16 products across 4 brands, built from public storefront catalogs. Free pages show aggregates and samples; the licensed dataset carries the full rows with per-value provenance.
Get the Bike Helmets dataset
CSV + XLSX + JSON with 16 normalized rows, per-value provenance, data dictionary and change log.
$79 starter · $199 full license · View license, pricing & free sample →
What the data shows
Across 16 products from 4 brands, the median listing price is $100 and the observed range is $8–$350. The largest brand collections are Lazer (7 products), MET (5 products), Specialized (2 products), Smith (2 products). The most completely published numeric fields are weight g (87.5%), so those are the cuts a buyer can filter on today; fields with lower coverage are listed in the data dictionary and are the target of the next collection pass. This build is quality tier lite and every populated value carries a source URL, quote and fetch time in the licensed bundle.
How to use this library
Filter the licensed CSV/XLSX by brand, category or spec thresholds; every row keeps its
source_url and qa_flags columns so an analyst can verify or exclude a value before
using it. The free pages below show aggregates and samples only; the paid bundle adds the full row set, the
provenance file and the data dictionary.
Brands in the library
| Brand | Products | Median price |
|---|---|---|
| Lazer | 7 | $100 |
| MET | 5 | $250 |
| Specialized | 2 | $18 |
| Smith | 2 | $50 |
Field coverage
| Field | Rows with value |
|---|---|
| weight_g | 87.5% |