This is the indexed ratchet needed for converting Campagnolo 11-speed rear derailleurs with a 27-tooth maximum tooth capacity to a 29-tooth maximum tooth capacity to work with 12-29 cassettes.
Option | Barcode | Manufacturer's Part Number | Vendor Number |
---|---|---|---|
12-29 Conversion | 08033874115770 | 5-RD-SR004 | QBP-DP9896 |