YST Professional BMX USA

Large Shell Bottom Bracket Set




USA Large Shell BB Set
Ideal for your old school BMX

Complete with both frame cups & set of 5/16" caged bearings
1 fixed cone, 1 adjustable cone (L/H Thread), washers & lock nut

Standard size for BMX & Mountain bikes that use a solid 1 piece crank
Known as large shell / USA BB
24TPI

Frame cup shell size 51.3mm
Approx outside diameter of bearing cages 44mm

Will also fit 3 piece cranks that use this large shell bottom bracket
If in any doubt please ask

               
           
       
       
   
   

       
        We use Royal Mail 
 
        First class (standard): Delivery aim 1-2 working days

        Second class (economy): Delivery aim 3-5 working days

        This is a Royal Mail guideline and is an aim, not a guarantee

        Larger parcels may be sent using an alternative courier service

        All orders dispatched within 2 working days (usually next day)

        Orders received on Fridays / Saturdays / bank holidays dispatched next working day

     Orders may require a signature on delivery

              
       
   


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