PLEASE MESSAGE ME BEFORE PAYING TO CHECK AVAILABILITY. Tube size 43/39/516long 1mm pitch thread. These tubes are manufactured in Greenwich, London to a high standard using high quality seamless tube. Machined ready to except the original shuttles/valving which you remove from your original legs to maintain original damping. We stock a large range of Forks, Seals, Discs and Pads for most bikes and can custom make Discs and over length tubes up to a maximum of 152mm longer than original or shorter if required. Post covers most areas In this country but some vast areas could be at a extra cost, please msg with area code to check first.