Since we use the 40mm ball, many long pimple players have problems to play dangerous as they had been able to play before.
Often we hear 4 possibilites:
1.) Friendship 837 "Premium 2000"
2.) Toni Hold Virus
3.) Hallmark Dr. Neubauer Superspezial
4.) Stiga Destroyer
If you speak a little bit German, too, you can look in the materialtest-corner on
www.TT-NEWS.de where you can find several reports about this rubbers.