Chain Length Calculator

Calculate the optimal chain length for your bicycle based on your largest chainring, cassette cog, and chainstay length. Proper chain length ensures smooth shifting and prevents drivetrain issues.

Calculator

Largest Chainring Teeth *

Largest Cassette Cog Teeth *

Chainstay Length (mm) *

Disclaimer: This calculation is a theoretical estimate. Always consult your bicycle manufacturer's guidelines or use a physical measurement method for the most accurate result. Factors like suspension travel on full-suspension mountain bikes are not accounted for here.