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Giro Coalition Spherical (US style 027S)
Model: Coalition Spherical, US CPSC style 100000001500000027S · US configuration
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Giro describes Coalition Spherical style 027S as a full-face MTB helmet with a Halo chinbar and Spherical Technology powered by Mips. Its exact US page states CPSC compliance, and the listed S/M/L chart spans 51–63 cm, which includes this scenario's 57 cm for screening only.
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Assessment scenario: Trail riding at 57 cm with CPSC and Spherical/Mips required
Assessment scenario only, not a claim about your intent: a trail rider compares the US Coalition Spherical style 027S at 57 cm and requires both documented CPSC wording and Spherical/Mips. Its chart and features support a precise try-on shortlist, not a personal fit or injury-outcome guarantee.
Explore this buying guide ↗Why consider this model?
- The exact US style-027S page identifies an MTB full-face format with an integrated Halo chinbar and Spherical/Mips design.
- The exact US page states CPSC compliance for persons age five and older.
- The page lists S/M/L against Giro's 51–63 cm bicycle chart; 57 cm is within that published screen, not a fit result.
Tradeoffs to weigh
- Giro's 800 g statements conflict on the size basis within the same page: the details say M/L while the certification line says Medium CPSC; this is not an independent weight measurement.
- No head-shape profile, personal fit evidence, numeric vent count or independent impact outcome is established.
- The NTA wording has no named version or linked certificate; do not use it as a substitute for the exact CPSC statement.
Check these before ordering
- Verify the exact US CPSC style 100000001500000027S; do not substitute the separate non-S style 027 based on the shared Coalition name.
- Check the physical CPSC label, selected size and exact helmet condition; try it on using Giro's fit instructions and confirm return terms.
- Ask which cheek pads, visor parts and other accessories are included in the exact seller package rather than assuming every photograph shows the box contents.
- If the stated mass matters, confirm the size-specific weight because the manufacturer's own page gives inconsistent size wording. Recheck current recall notices before purchase.