How can I de-link my Crunch and Velocity memberships? Lauren June 15, 2018 00:05 Updated Follow You can de-link your memberships by simply signing in to your Crunch account and removing your Velocity membership number from the relevant field in the Account tab. Related articles I added the wrong Velocity Frequent Flyer number to my Crunch account, how can I change it? What are Crunch credits? Comments 0 comments Article is closed for comments.