Cyclo Spoke Thread Rolling Head 14G is a must have for all your spoke threading requirements. Fantastic bit of kit by Cycle. We recommend the cutting fluid or oil is used when cutting a tread with the Cyclo Rolling Head. When cutting the thread only tighten by a quarter turn at a time as over tightening will cause an incorrect thread to be cut. Tips: Grind a chamfer (beveled connecting two surfaces) on the spoke as preparation before you cut the spoke. Cyclo Spoke Thread Rolling Head 14G.