Hi throwers,
Lately I’ve been using some german yoyos from the Henrys brand, a Viper XL for 4A and an M2 for 1A.
They have a different axle system that’s actually tunable for the optimal gap width and it works quite well. I made a little guide for this:
http://southernyoyo.blogspot.com/2015/04/guide-tunning-hernys-m2-and-viper-xl.html