Originally Posted by uk_skippy
RPM Dual is the correct name, not sure about a release date.
Can you hybrid this string with another multi like NRG2 ? and is this string as good as RPM for spin production ?
Babolat Pure drive 2012, 55 lbs, Kirschbaum Proline X / X-1 biphase. Nalbandian backhand and Nadal forehand.