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Inner C Knuckles

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3. Attaching the inner "C" for the knuckle is the biggest step in the entire buildup. If not done properly, the steering geometry will be incorrect. In professional shops these inner Cs are pressed on with thousands of pounds of pressure, but we were able to pound the Spidertrax part on after just barely cleaning the tube with a sanding disk. Heating the inner C slightly with a small propane torch helped, as did a heavy hammer.