Durable Bicycle Square Hole Axis Bottom brackets Mtb Road Aluminum BB73 

Bottom brackets Specification Place of Origin SHENZHEN, CHINA Brand Name GINEYEA Model Number BB73 MTB URBAN Steel Cup + Bearing Thread BC 1.37x24T One size fits 68/73mm Product Description Rider's desire, continuously improving. Bike Bottom Brackets Long 68mm to 73mm Spline Gear 68mm BB shell  for Bicycle Gineyea BB73 Product Name Bike Bottom Brackets Long 68mm to 73mm Spline Gear 68mm BB shell  for Bicycle Gineyea BB73 Material STEEL cup+bearing…