⛶
Crank Length Selector
Light Mode
Find your ideal crank length based on height, leg proportions and riding style. Includes interactive visualization.
Units
Metric (cm)
Imperial (in)
Your Height
Used as a fallback if inseam or tibia length is not provided.
Inseam Length (optional)
More accurate than height. Measure from floor to crotch.
Tibia Bone Length (optional)
Most accurate predictor of crank length. Measure from knee to ankle.
Riding Style
Road
Mountain Bike
E-Bike
Track / Fixed Gear
Comfort / Casual
Knee Sensitivity
No Issues
Mild Discomfort
Sensitive Knees
Calculate Crank Length
Enter your measurements to get a recommendation.
—
Common crank sizes: 150, 155, 160, 165, 170, 172.5, 175, 177.5, 180 mm
Range highlighted in green.
🔧 Similar Tools