Weight: 4.6 oz (130 g) (one side), Tension: 8 Nm - 12 Nm, Platform Area: 19.7 inches (500 mm) 2, Platform Width: 2.4 inches (60 mm) Stack Height: 0.7 inches (17.3 mm) The benchmark of metal spring model KEO2MAX. 25% enlarged cleat ground for extra power transfer The oversized chromolia axle features a needle bearing in the center and a large inner shielded bearing for added durability and torsional rigidity while maintaining weight. This standard model is suitable for a wide range of uses from racing to touring. Composite body