HUB KIT…….USES 80CC STOCK ENGINE KIT SPROCKET …THERE ARE BOLTS NUTS AND INSTRUCTIONS ON HOW TO INSTALL……. FITS STANDARD COASTER BRAKE BIKE HUBS…..1.510……+/ – .010……..
NOTE YOU CAN USE ANY OF THE STEEL NINE BOLT CHINA SPROCKETS. DOWN TO 32 TOOTH………….I USE 38 AND 36…44 …54….I DONT SELL SPROCKETS.
( PLEASE NOTE WHAT I AM SELLING IS IN PHOTO # 1 NO SPROCKET IN KIT )
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