Interactive Tool · Cycling

Bike Frame Size Calculator

Get your ideal frame size for road, mountain, hybrid, or gravel bikes based on your height and inseam.

Inseam 30"
24"40"

Fit Notes

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Road Bike Size Chart

HeightFrame SizeSize Label
Under 5'4" (163cm)47–49 cmXS
5'4"–5'7" (163–170cm)50–52 cmS
5'7"–5'10" (170–178cm)53–55 cmM
5'10"–6'1" (178–185cm)56–58 cmL
6'1"–6'4" (185–193cm)58–61 cmXL
Over 6'4" (193cm+)62 cm+XXL
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Sources & Further Reading

Reviewed May 29, 2026. Tool outputs are estimates for gear fit, training, or shopping context. Confirm league rules, personal fit, and safety-sensitive decisions with qualified coaches, fitters, clinicians, or local avalanche professionals where relevant.

Recommended Gear

Road & Mountain Bikes by Size All links use our Amazon Associates tag — thank you for supporting TSP.

Trek Domane AL 2 — Best entry endurance road bike — IsoSpeed, disc brakes
~$1,000 Check current Trek Domane AL 2 road bike beginner deals
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Specialized Allez Sport — Race-geometry aluminum — stiff, fast, long-lasting
~$1,100 Check current Specialized Allez aluminum road bike deals
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Giant Talon 1 29er — Best value hardtail — Fox fork, SRAM drivetrain
~$800 Check current Giant Talon 29 mountain bike deals
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Cannondale Trail 8 — Entry hardtail with confidence-inspiring geometry
~$700 Check current Cannondale Trail 8 mountain bike deals
TSP deal watch path

Affiliate Disclosure: As an Amazon Associate we earn from qualifying purchases at no extra cost to you.