https://www.cyclinguk.org/membership-types@Paulus
You should share that link if you can, I only see: https://my.cyclinguk.org/new-member...ssionid=e5b4d63f-a1b1-ef11-b8e9-6045bdf114f4#!
> Concessionary Membership
> In receipt of any means-tested benefits, student/apprentice, under 18 or disabled/carer
Look under consession.
As a caveat, as @Poacher says, it is only for sole income state pensioners.