Ultra 99 Pro V5 網球拍

Wilson Defyer 98 Pro V1

Key Specifications

• Head Size: 98 sq. in. / 632 cm² 
• Length: 27 in. / 68.6 cm
• Unstrung Weight: 305 g / 10.8 oz 
• Strung Weight: ~320 g / 11.3 oz 
• Unstrung Balance: 31.5 cm (9 pts HL / Head Light) 
• String Pattern: 16x20 
• Beam / Taper: 22-23.5-22 mm (Dual Taper Beam) 
• Stiffness (RA): ~64
• Swingweight (Unstrung): ~280–290 g·cm² (Strung around 315–320)