Zipp Freehub Kit - Cognition Disc/Rim Brake NSW, XDR, Generation 2 Shoe Brand_Pearl iZUMi It's a great choice for

It's a great choice for riders looking for inspired performance that's capable on the course or off the beaten track

hitch adapters

letting you see things clear even when you’re pushing the edge

XXL (60cm)

With its durable construction

Zipp Freehub Kit - Cognition Disc/Rim Brake NSW, XDR, Generation 2 Shoe Brand_Pearl iZUMi It's a great choice forFreehub bodies for Zipp Cognition hubs. 1. 8 mm spacer is included for use with XD cassettes For Gen 2 Cognition hubs manufactured after the 21st week of 2018 (serial number would be 21P8 or higher, such as 51P8) Gen 2 hubs feature a one piece axle system End caps sold separately