You are reading a single comment by @Howard 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.
@Howard
I’m guessing there’s patents involved with mineral oil that prevents manufacturers other than Shimano and Magura from using it.