Zipp Left end cap for Cognition V1 Gen 1 and V2 rear hubs

End cap for Zipp Cognition rear hubs (rim brake), for mounting on the non-freehub side (on the left).Technical Information: Axle Type: 10 x 130 mm quick release Compatibility: Cognition V1 rear hubs (non-drive side) Generation 1 (before serial number 21P81