>>1486937maybe there is some hidden disadvantage to having such large pulley wheels
or the idea is so recent and patented that not many people have picked it up
super long cage RD have been around for a long time but they were allways kind of rare or specialist
23 and 28 tooth rear cogs kept S and SS cage derailleurs around for a long time
and there is an old joke that if you've got 24 gear inches you may just as well use two feet :)
