Rider-matched picks
Size-matched helmets picks for women cyclists, with fit and feature priorities curated for how women cyclists actually ride.
Open the helmets calculatorWomen often benefit from shorter top tubes and reaches relative to seat tube length, reflecting the typically shorter torso-to-leg ratio. Narrower handlebars (38-42cm vs 42-46cm for men) improve control and reduce shoulder strain, while shorter-reach brake levers (or levers with adjustable reach) are essential for smaller hands to brake confidently. Women-specific saddles are designed for wider sit bone spacing (typically 130-155mm vs 120-140mm for men) and reduced soft tissue pressure. WSD bikes from brands like Liv, Specialized, and Trek address these proportional differences with purpose-built geometry rather than simply offering smaller versions of men's frames. However, some women fit standard 'unisex' frames perfectly well — body proportions vary more within genders than between them. The key is measuring your actual torso length, arm reach, and sit bone width rather than assuming you need a gendered design. If buying a unisex frame, prioritize a shorter stem (70-90mm) and compact handlebars to achieve proper reach.
Measure head circumference at the widest point across the forehead. Most brands size: XS (50–53 cm), S (53–56 cm), M (56–59 cm), L (59–62 cm), XL (62+ cm). Kids helmets typically start at 47–50 cm. Always try before buying; fit varies by brand.
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Giro
S 51–55 cm, M 55–59 cm, L 59–63 cm
Bell
S 52–56 cm, M 56–60 cm, L 60–64 cm
Smith
S 51–55 cm, M 55–59 cm, L 59–63 cm
Poc
S 50–54 cm, M 54–58 cm, L 58–62 cm
Lazer
S 50–54 cm, M 54–58 cm, L 58–62 cm
Kask
S 50–54 cm, M 54–58 cm, L 58–62 cm
Troy Lee Designs
S 53–56 cm, M 56–59 cm, L 59–62 cm
Abus
S 52–58 cm, M 58–64 cm
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