Yonex Astrox 100zz Victor Axelsen (4uG6)The VA logo and athlete autograph are included in the design. Racquet Detail & Specifications 3U5 and 4U6 only available across Australia Racquet Technology Rotational Generator System The weight is distributed throughout the grip end, frame top and the joint for the quick benefit of continued powerful attacks for the player. A black micro core and new built in T Joint have been equipped in the ASTROX 100, which allows for more precise weight