Campagnolo OS Freehub Body

The FH-N3WA 30 freehub body is only compatible with wheelsets that have been converted from a 9–12-speed freehub using one of the so-called retrofit kits.

To convert the Bora WTO 60 TC19, WTO 45T 19, WTO 33 C1 and Zonda DB TC17 wheelsets with a 17 mm axle and 30 mm pawl mount, you will need the N3W Retrofit Kit, item no. AC212-N3WRFCC.

The new Campagnolo WTO and Shamal carbon disc wheels have a larger 33 mm ratchet body. These freehub bodies do not fit there either.

Herstellerinformation: Campagnolo, Via della Chimica 4, 36100 Vicenza, Italy, https://www.campagnolo.com