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Home
Products
Products Menu
Products
Engine Model
Engine Model Menu
Engine Model
66/80cc China Doll
Avenger85
Menace85/Phantom
Minarelli Vertical
As-Is Sale Shelf
Apparel & Accessories
Tools
Motorized Bike Parts
Motorized Bike Parts Menu
Motorized Bike Parts
All Products
Brakes
Cases
Clutch
Covers
Crank
Cylinder
Engines
Exhaust
Gaskets + Hardware
Heads
Intake
Minarelli Conversion
Reed Stuffers
Stock Kit Parts
Watercooled Parts
Dyno Services
SxS Parts
SxS Parts Menu
SxS Parts
All SxS Parts
Volvo Parts
Resources
Resources Menu
Resources
Crank Geometries
Crank Balance Factor Calculator
Port Timing Calculator
Speed/Ratio Calculator
Dyno Leaderboard
How To Guides
Projects
Reviews
Speed/Ratio Calculator
Motor Speed [RPM]:
Motor Sprocket [teeth]:
Wheel Sprocket [teeth]:
Tire Diameter [in]:
Calculate Speed
Reset
Speed and Gear Ratio Results
Top Speed [MPH]:
Gear Ratio [:1]:
Enter your motor speed, sprocket tooth counts, and tire diameter, then click "Calculate Speed" to get your theoretical top speed and gear ratio.
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