Find Your Perfect
Motorcycle Fit
Welcome to RidersCalc! We believe every rider deserves a bike that fits their body perfectly. Whether you’re struggling with cramped knees or reaching the ground, our ergonomic calculators will match you with the best motorcycles and modification kits.
đ Database expanding daily:
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motorcycles ready!
Tall Rider Calc
Over 6’0″ (185cm)? Find bikes with enough legroom, perfect knee angles, and discover top-rated peg lowering kits.
Open Calculator →
Short Rider Calc
Under 5’7″ (170cm)? Find bikes with low seat heights, narrow waistlines, and the best suspension lowering kits.
Open Calculator →
Live Simulator
Visualize your riding posture on real motorcycles. Check your knee angle, hip angle, and reach interactively.
Launch Simulator →
đ§ Work in Progress: Growing the Database
RidersCalc is an independent, one-man project currently in active development. I am continuously researching, calculating, and adding new motorcycles to the database to help riders worldwide. If you find this tool helpful, you can support its development and help me finally afford a bike that fits my legs!
đī¸ Help me buy a Kawasaki Versys 1000!
Server costs & my dream bike
$896 / $10,000
Transparency & Affiliate Disclosure: To keep this calculator 100% free and without annoying banner ads, RidersCalc participates in affiliate programs (like Amazon Associates and RevZilla). If you click on a modification link (e.g., lowering kits, seats) and make a purchase, we may earn a small commission at no extra cost to you. This keeps the server running and the database growing!