Bicycle Spoke Length Calculator | Accurate and Easy Measurements

Enter the hub and rim dimensions to accurately calculate the required bicycle spoke length for the left and right sides.

OLD Hub Width (mm):

LD Left Hub Flange Diameter (Brake side) (mm):

RD Right Hub Flange Diameter (Sprocket side) (mm):

A Distance from Left Hub Nut to Flange (Brake side) (mm):

B Distance from Right Hub Nut to Flange (Sprocket side) (mm):

Number of Spokes:

Effective Rim Diameter (ERD) (mm):

Rim Thickness (mm):

Left Cross Pattern:

Right Cross Pattern: