Junior-Childrens-Bike-Small-Shell-BB-Cup-amp-Bearing-Set-for-1-Piece-Cranks        
           
               

Junior 5/16" Bottom Bracket Set



Small Shell 
Complete with both frame cups & set of 5/16" caged bearings
1 fixed cone, 1 adjustable cone, washers & lock nut
7 bearings per cage

Standard size for Junior bikes that use a solid 1 piece crank

Frame cup shell size 43mm

Approx outside diameter of bearing cages 37.5mm
If in any doubt please ask

               
           
       
       
   


.