PT is apparently the new name they are using instead of TG. I was told this by someone from their distributor when I worked at a bike shop. There is apparently an improvement in the technology (they would say that) but the only definite difference is that PT are newer.
PT is apparently the new name they are using instead of TG. I was told this by someone from their distributor when I worked at a bike shop. There is apparently an improvement in the technology (they would say that) but the only definite difference is that PT are newer.