Feature:This kind of ball bearing stainless steel ball inlaid in the retainer design.Can be a ideal replacement for the bicycle or racing bicycle or mountain bike.This ball bearing retainer with 9 balls, which suitable for 19mm inner diameter head parts.Before purchasing, please confirm whether the size of the accessories of your bike is matched with this product.Description:Outer Diameter: 29.5mm / 1.16"Inner Diameter: 19mm / 0.75"Color: Silver ToneMaterial: SteelNumber of steel balls: 9Dimension: 6.2x29.5mm / 0.24"x1.16"(H*Max.D)Notes:Please allow 1-2mm difference due to manual measurement. Package Included:4 x Bicycle Ball Bearings.
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