Because you just install it on a splined freewheel hub as if it were a normal casette cluster of gears.. but with spacers in place of the gears you would have.
__________________
¿pɐǝɹ oʇ sᴉ sᴉɥʇ ƃuᴉʎouuɐ ʍoɥ ǝǝs
Originally Posted by
veganbikes
Pound sign: Kilo TT