motorcycle spoke Material : ,35# low carbon steel, 45# high carbon steel, zinc-plated or chrome -plated. Specification: 1) 8ga) diameter: 4.0mmb) length: 308-172 mm2) 9gc) diameter: 3.45mmd) length: 308-172 mm3) 10ge) diameter: 3.1 mmf) length: 308-150 mm4) 11gg) diameter: 2.9 mmh) length: 308-60 mm