Feature:This kind of ball bearing stainless steel ball inlaid in the retainer design.Can be a replacement for the bicycle or racing bicycle or mountain bike.This ball bearing retainer with 7 balls, which suitable for 15.5mm 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: 25mm / 0.98"Inner Diameter: 15.5mm / 0.61"Color: Silver ToneMaterial: SteelNumber of steel balls: 7Dimension: 6x25mm / 0.24"x0.98"(H*Max.D)Notes:Please allow 1-2mm difference due to manual measurement. Package Included:12 x Bicycle Ball Bearings.
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