Focusopen SteelCore 3U Power Reserve Racket

The Focusopen SteelCore 3U Power Reserve Racket is Focusopen’s maximum-power engineering statement for elite physically-conditioned players whose training base allows them to exploit the extreme swing-weight and head-heavy balance characteristics of 3U category equipment without the racket control degradation that these specifications impose on less physically prepared players. At 90 grams unstrung in the 3U category with a head-heavy balance at 315 millimeters, the SteelCore generates shuttle kinetic energy at impact that is measurably higher than equivalent-technique smashes executed with lighter racket specifications, providing a genuine power advantage in elite singles competition formats against opponents with similar technical proficiency. The frame is manufactured from 44-ton ultra-high modulus carbon fiber with a T300 carbon fiber secondary reinforcement layer in the upper frame quadrant that prevents frame oval deformation under the extreme string tensions required for maximum power transfer. Extra-stiff shaft at 7.2 millimeters diameter rated to 95 kilogram-force. Rated for string tensions to 34 pounds. Supplied unstrung. Premium 3-racket padded bag included. String tension maintenance is supported by a high-modulus grommet system using 4.0mm diameter polyamide grommets that distribute clamp loads evenly across the full string hole perimeter to prevent premature string breakage. All Focusopen rackets carry a twelve-month structural defect warranty covering frame delamination and shaft fracture under normal competitive play conditions.