5 SPEED BLOCK FOR 70's, 80's 90's RACING BIKE 14-28 INDEX FREEWHEEL RACER COG NE

5 SPEED INDEX 14/28 FREEWHEEL,SPROCKET,SCREW ON CASSETTE, 5,10 OR 15 SPEED MTB

• HARD TO FIND 5 SPEED INDEX SCREW ON FREEWHEEL THIS TYPE OF FREEWHEEL IS SOMETIMES KNOWN AS A SCREW ON CASSETTE OR A BLOCK 

•  SCREWS ON TO ALL STANDARD MULTI-SPEED REAR HUBS

• SOME PEOPLE CALL THESE  " SCREW ON CASSETTSE "  BUT TECHNICALLY THEY ARE NOT A CASSETTE BUT A FREEWHEEL , IF IN DOUBT PLEASE ASK 

• THE TEETH ON THIS ARE INDEXED FOR INDEX SHIFTING LEVERS OR CAN PROVIDE SMOOTHER GEAR CHANGING WITH OLDER FRICTION LEVERS

• MOST COMMON RATIO AS YOU CAN SEE THE LARGEST COG IS 28 TEETH GOING DOWN TO THE SMALLEST WITH 14 TEETH

• THESE TYPE FREEWHEELS WERE USED ON EARLY MOUNTAIN BIKES (as 5 ,10 or 15 speed systems) & LOTS OF CHILDREN'S 5 SPEED BIKES AS WELL AS EARLY SPORTS RACING BIKES

• 14/16/20/24/28 ( NUMBER OF TEETH ON EACH COG)