•The 2nd generation Dynergy, more power and tolerance
•NEW Kickstep: Specific shaft design to increase up to 10% the stiffness: more power and stability
•Blackweave: Increases the breakage resistance (+10%) - Mixed with graphite, limits the vibrations diffusion
•X-one Biphase string (Tecnifibre's premium string) for maximal power, higher tension resilience and increased durability