How much air should a volleyball have?
0.30–0.325 kg/cm² — about 4.3–4.6 psi. Use a pump with a pressure gauge; an over-inflated ball hurts your hands and an under-inflated one feels dead.
0.30–0.325 kg/cm² — about 4.3–4.6 psi. Use a pump with a pressure gauge; an over-inflated ball hurts your hands and an under-inflated one feels dead.