Please, Before ordering, contact us for availability. Thank you. Description : Your tires are the only thing that connects you to the road or trail, and optimal tire pressure can have more impact on ride comfort than frame and wheel..

Please ask for availability before ordering. Thank you. Cognition hubs are installed on Zipp NSW wheels. Gen2 from serial number 21P81803697 (see hub shell) Zipp brand Main category hardware Main product group impellers Freewheel..