GW has been working with Campagnolo and we are excited to announce that we will be producing the N3W cassette body under license. The cassette bodies work with all our road hubs and we have a small quantity of samples available now. Please contact your sales window for pricing and sample requests or tech@gw-mfg.com for technical information. To learn more about how N3W introduction, check this link www.campagnolo.com/US/en/next_3_ways