Bike Chain Length Calculator vs Bike Spoke Length Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Bike Chain Length Calculator
Determine the correct number of chain links for your bike's drivetrain using chainstay length and sprocket sizes. Essential when installing a new chain or changing gearing.
- Answers
- Chain Length (links)
- Inputs
- Largest Chainring, Largest Rear Cog, Chainstay Length
Bike Spoke Length Calculator
Calculate the exact spoke length needed for any wheel build from rim ERD, hub flange dimensions, and lacing pattern. Essential before ordering spokes for a custom or replacement wheel.
- Answers
- Spoke Length (mm)
- Inputs
- Rim ERD (Effective Rim Diameter), Hub PCD (Pitch Circle Diameter), Flange Offset from Center, Spoke Count, Cross Pattern
At a glance
| Bike Chain Length Calculator | Bike Spoke Length Calculator | |
|---|---|---|
| Category | Cycling | Cycling |
| Answers | Chain Length | Spoke Length |
| Inputs | 3 | 5 |
| Result unit | links | mm |
When to use each
Determine the correct number of chain links for your bike's drivetrain using chainstay length and sprocket sizes. Essential when installing a new chain or changing gearing.
Calculate the exact spoke length needed for any wheel build from rim ERD, hub flange dimensions, and lacing pattern. Essential before ordering spokes for a custom or replacement wheel.