Frame30 Tonne Japan Graphite Speed Power Combined FrameShaft24 Tonne Japan Graphite Slim ShaftFlexMedium (8.5)Weight84g /- 2 (4U-G2)Max Tension38lbsLength672mm /- 2Balance Point292mm /- 2 (Slightly Head Heavy)Grommets76Shaft Diameter6.8mmColorBlackSpecial FeaturesIsomectric head frame; Woven Technology; Speed Power Combined Frame; Slim shaft 6.8mm; 76 Grommets System;