Best Bike Helmets · head-to-head

Specialized S-Works Prevail 3 vs Bell Stratus MIPS

A sourced, side-by-side comparison. Bell Stratus MIPS is cheaper at $149.95. Every spec and price links to its source.

Which is better: the Specialized S-Works Prevail 3 or Bell Stratus MIPS?

On the specs we track, they're closely matched. The Bell Stratus MIPS is the cheaper at $149.95.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Specialized S-Works Prevail 3 Bell Stratus MIPS
US price $299.99 $149.95
BrandSpecializedBell
Released
Weight grams 271
Rotational protection MIPS Air MIPS
Shell construction
Vent count
Intended use road road
Size range (cm) 52-62
Certification CPSC CPSC
Visor included No
Integrated light No
Reflective detailing No

Sources — Specialized S-Works Prevail 3: specialized.com (verified 2026-07-13). Bell Stratus MIPS: bellhelmets.com (verified 2026-07-13).

What's the difference between the Specialized S-Works Prevail 3 and Bell Stratus MIPS?

Where the two actually differ on the specs we track (1 of 10). Matching specs are omitted.

  • Rotational protection: Specialized S-Works Prevail 3 MIPS Air vs Bell Stratus MIPS MIPS

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Specialized S-Works Prevail 3

Based on one whitelisted hands-on review (Cycling Weekly), the S-Works Prevail 3 is an exceptional hot-weather helmet: airflow is 'unrivaled' even at 32°C and it ranks among the highest-ranked road helmets for safety by Virginia Tech. Downsides are weight (280g), a bug-catching open vent structure, and a high price ($300/£275). (1 sourced review, 1 lab-tested.)

Praised: Unrivaled ventilation, comfortable even in 32°C heat with no sweat in the eyes; Among the highest-ranked road helmets for safety (Virginia Tech); Comfortable fit with no bothersome pressure points; disappears on the ride.

Flagged: Not lightweight at 280g vs rivals like Kask Protone (230g); Large vents offer little protection against bugs; Expensive ($300/£275), among the priciest non-aero helmets.

Bell Stratus MIPS

No sourced tester review yet.

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