There doesn't seem to be one definitive description that identifies screw-on freewheels from cassettes, and some listing are downright confusing:
eg. "SCREWS ON TO ALL STANDARD MULTI-SPEED REAR HUBS WE STATE IN THE HEADING " SCREW ON CASSETTE " BECAUSE SO MANY PEOPLE CALL THESE FREEWHEELS A CASSETTE BUT TECHNICALLY THEY ARE NOT A CASSETTE BUT A FREEWHEEL, IF IN DOUBT PLEASE ASK" & "REMEMBER WE MENTION IN THE HEADING THE WORD CASSETTE , IT IS ACTUALLY A SCREW ON FREEWHEEL NOT AN ACTUAL CASSETTE BUT A LOT OF OUR CUSTOMERS THINK FREEWHEELS ARE CASSETTES AND WILL NOT FIND THE LISTING IF WE DO NOT INCLUDE THAT WORD , IF IN DOUBT PLEASE SEND US A QUESTION BEFORE PURCHASING"
Is there a definitive way of distinguishing them visually?
eg. "SCREWS ON TO ALL STANDARD MULTI-SPEED REAR HUBS WE STATE IN THE HEADING " SCREW ON CASSETTE " BECAUSE SO MANY PEOPLE CALL THESE FREEWHEELS A CASSETTE BUT TECHNICALLY THEY ARE NOT A CASSETTE BUT A FREEWHEEL, IF IN DOUBT PLEASE ASK" & "REMEMBER WE MENTION IN THE HEADING THE WORD CASSETTE , IT IS ACTUALLY A SCREW ON FREEWHEEL NOT AN ACTUAL CASSETTE BUT A LOT OF OUR CUSTOMERS THINK FREEWHEELS ARE CASSETTES AND WILL NOT FIND THE LISTING IF WE DO NOT INCLUDE THAT WORD , IF IN DOUBT PLEASE SEND US A QUESTION BEFORE PURCHASING"
Is there a definitive way of distinguishing them visually?