Rider-matched picks
Size-matched helmets picks for tall riders, with fit and feature priorities curated for how tall riders actually ride.
Open the helmets calculatorTall riders typically need frames with longer effective top tubes (580mm+ for riders over 6'4"), higher stack heights to avoid excessive drop to the handlebars, and extended seatposts with at least 300mm of insertion depth. Consider longer stems (110-130mm) for proper reach, though be cautious about exceeding 130mm as it slows steering response. Setback seatposts (25-35mm offset) help achieve optimal saddle position when long femurs push the saddle far back. Many brands now offer XL and XXL sizes up to 64cm, but geometry varies significantly between brands — Trek and Canyon tend to offer longer reach in their largest sizes compared to Giant or Cannondale. Always check actual stack and reach measurements rather than relying on size labels alone, as a '61cm' from one brand may have 20mm less reach than another. Consider 175mm crank arms (standard 172.5mm may feel short) and wider handlebars (44-46cm) to match broader shoulders. Wheel size matters less for tall riders, but 29er mountain bikes and 700c road wheels provide proportionally better handling than smaller alternatives.
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.
Verified on Amazon today — prices and availability may vary.
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
As an Amazon Associate we earn from qualifying purchases. This helps support our free calculators.