Isospeed Black Fire & Baseline Speed comparison review

Isospeed Black Fire and Baseline Speed String Review

Ferenc Ferdinand Weisz is back with another guest post. This time for an Isospeed String Review of Black Fire and Baseline Speed. Isospeed is special to me because the Isosport factory is only 20km away from my home. I’m a half-hobby stringer who does stringing for local players. I mostly work with Isospeed, because every […]