khe need a new design for freecoaster , i have one, in the first 3 days of use it is a sh*tt, after i put grease and the problems gone, but if i design a freecoaster , its be very different to the geisha, more similar to the arestic boo. single axle but with bearing stops like the front sealed axles, 3 sealed b. some simple. and the spring system can be a ruber ring, i test one in the haro turbine and it work perfect.