Manufacturer: Butterfly Name: Butterfly Primorac Carbon Speed: 93 Control: 73 Stiffness: 71 Hardness: 81 Frequency (Hz):   Thickness (mm): 6,9 Weight (g): 92 Length (mm):   Width (mm):   Layers: 5 Layer Compostition: Hinoki - Tamca Carbon - Cypress - Kiri - Cypress - Tamca Carbon - Hinoki Aktion: Ändern