Neco/YST BMX Bottom Bracket Large Cup Set Silver/Black

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  • Regular price £9.99
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  • Item in brand new condition.
  • Complete with both frame cups & set of 5/16" caged bearings
  • 1 fixed cone, 1 adjustable cone, washers & lock nut
  • Standard size for BMX & Mountain bikes that use a solid 1 piece crank
  • Known as large shell / USA BB
  • Frame cup shell size 51.3mm
  • Approx. outside diameter of bearing cages 44mm
  • Axle size 21.2mm
  • Will also fit 3 piece cranks that use this large shell bottom bracket