Campagnolo 9 speed casssettes require two types of sprockets
| Type | Toothing |
| - 1 start sprocket PS1-C |
11*, 12, 13, 14, 15, 16, 18 T |
| - 8 sprockets for positions 2 - 9 PSL-C |
13, 14, 15, ..etc., 28, 30 T |
Spacers:
- 7 DS3
Antiflex:
- 2 pcs only when using Aviotek, no need for Junior
Important: As Aviotek has been replaced by Junior please use JCsprockets instead of the PSL-C.
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