[Victor Auraspeed 98K Badminton Racket] Product Details Compound-Sword Frame Structure Compound-Sword frame increases speed and stability. The upper part of the frame reduces air resistance, the middle part improves the energy transfer user's swing to the shuttle, and the lower part increases stability and speed by drastically reducing any racket twisting. This ensures to get as much speed for the drop shots and defenses, while also giving the stability to hit accurate smashes. WES The Whipping Enhancement System incorporates a softer material in a specific part of the shaft near the throat, enhancing racket-head acceleration in a "whipping" style which helps to create steeper and quicker attacks with satisfying control. [Victor Auraspeed 98K Badminton Racket] SPECIFICATION Length 675 mm Weight / Grip Size 3U/G5, 4U/G5 String tension LBS 3U