Super forks head stems.
Today (09-11-06) we were visited by Richard Tann and Colin Morris bearing a set of Richard’s Super forks that needed a new head stem. This highly stressed component really needs to be made from the strongest steel available
I had thought previously about using the special steel we use for our replacement Scott crankshafts for this application, but had rejected the idea. True, the steel grade was totally capable with a very big margin of safety, it is used in the construction of Airbus landing gear, a very safety sensitive area. I had rejected the idea because the cost of hiring the furnaces for the heat treatment in an inert gas environment is much too expensive for a few head stems.
When we looked at Richard’s forks, I realised that we had an opportunity to do the job properly.
We are currently making 26 sets of our high strength cranks and will be hiring the furnace in mid / end January to heat treat these. As we must hire the complete furnace, however full it is, we can process some head stems with the cranks without incurring excessive costs. The cost of the head stems will depend on the quantity manufactured.
We invite anyone who wishes to have a high strength head stem to contact us while this opportunity exists.
It is not necessary to have the stem fitted to your fork immediately, if this is inconvenient, but to have such a stem while they are available might be of interest to some owners.
If an owner wishes to investigate further, we would need to know the length of your stem, as several types were made.
Any enquiry is totally without obligation but will enable us to calculate costs on the basis of a possible quantity.
We also invite any owner interested in obtaining a set of High Strength long stroke cranks to register their interest.
Other spares. We now hold most sizes of 600cc long stroke piston rings and other sizes can be supplied to special order. New gudgeon pins in standard and oversize are stocked.
Kindest Regards to all Roger Moss