what? low pros are like 86a, which is alot harder than yaks. I'd rather have a hard wheel so the urethane doesn't wear down as quickly.Chris Pontus said:low pros are kinda soft. metal core hardness or possibly a bit less is ideal imo.
i used this round sample thing of 95d urethane and made a core for it out of hot glue and glued the bearings in. it was so bad to ride but so fun. i did a 360 flat on them.......without jumpingJeff Lukaszeski said:how did you make a pair?