You are reading a single comment by @Backstop and its replies.
Click here to read the full conversation.
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.
Backstop
I thought spikes were for smacking in the ground, I think the ones for concrete have a fin on the bottom to lock it in?