Shift Solutions (SR) Shift Knob. Crafted from stainless steel, deep countersunk and threaded for a direct fit. Check out all our work on our Instagram: ShiftSolutionsCo. Weighted at 610 grams, a perfect balance of size and weight for a crisp, clean shift. Diameter, largest area: 55mm. Threaded pitches available: 10×1.25mm. The item “SHIFT SOLUTIONS SR […]