I thought it was the Class 4s that were voluntary... anyway - I do, it's not much, and it helps towards getting a pension.
@hoefla started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I thought it was the Class 4s that were voluntary...
anyway - I do, it's not much, and it helps towards getting a pension.