I checked and i couldn't find any member going with the name "koxx boxx" and next time always check member references. Edit: My bad forgot to put the - in
They are made in exactly the same factory and are produced by the same people, echo/zoo are the same just different names. and go for zoo they are very strong
I've been running mine for ages now, never skipped once and mine went on like a dream (i'm using echo fogged cranks). It is quite loud but not as loud as a profile. Runs super smooth, i would recommend it .
Tape the 2 rims (the old wheel rim with the spokes and hub and the new rim) up together with the valve hole at the same place then 1 by 1 go around switching them over to your new rim. Tighten them evenly about 4 or 5 turns per spoke when switiching them then go around giving a half turn each spoke till the spokes are tight and true.
Go for it well worth it for the money, i have been running one for a while and has never skipped on me to date and the engagement is very smooth also it's quite loud. Gets my up.