Campagnolo Sprocket Unit 11 Speed 16A-17A-18A 11S-678

This sprocket unit from Campagnolo is designed as a replacement part for compatible 11-speed Campagnolo cassette setups. The 16-tooth, 17-tooth, and 18-tooth sprockets are essential when these cassette cogs are worn, damaged, or causing rough shifting, chain skip, or poor gear engagement under load. Replacing the worn sprocket section can help restore smoother shifting without the need to replace parts that are still in good condition, but be sure to check the exact cassette model and Campagnolo 11-speed compatibility before installation.

- Replacement sprocket unit for compatible Campagnolo 11-speed cassettes
- Includes 16T, 17T, and 18T sprockets
- Ideal for replacing worn or damaged cassette cogs
- Helps restore smoother shifting and better chain engagement

Specifications
Brand: Campagnolo
Model: 11S-678
Type: Sprocket unit
Speed Compatibility: 11
Number Of Teeth: 16/17/18
Color: Silver