HUB KIT..........THERE ARE BOLTS NUTS AND INSTRUCTIONS ON HOW TO INSTALL.
YOU CAN USE STOCK SPROCKET   ( PLEASE NOTE WHAT I AM SELLING IS IN PHOTO # 4and #5  NO SPROCKET IN KIT ) 

STANDARD COASTER HUB................HUB SIZE 1.510 +./- .010,,,,,  MOST BEACH CRUISERS HAVE THIS SIZE HUB IF IT'S A COASTER BRAKE .............