Campagnolo Chainring Athena For Carbon Crank 39 Tooth

This chainring from Campagnolo is designed for compatible Athena 11-speed carbon road cranksets with a 135mm BCD and 5-arm bolt pattern. The 39-tooth aluminum chainring is a practical replacement when the original inner chainring is worn, damaged, or causing rough front shifting or poor chain engagement. Always check the 135mm BCD, 5-arm layout, and Campagnolo Athena 11-speed carbon crank compatibility before installation to ensure correct fitment and smooth drivetrain performance.

- 39-tooth chainring for compatible Campagnolo Athena 11-speed carbon cranksets
- 135mm BCD with 5-arm bolt pattern for correct road crank fitment
- Aluminum construction for road bike drivetrain use
- Useful replacement for worn or damaged inner chainrings affecting front shifting

Specifications
Brand: Campagnolo
Model: FC-AT139
Type: Chainring
Number Of Teeth: 39
Speed Compatibility: 11
BCD: 135mm
Material: Aluminum
Color: Grey