Yonex Muscle Power 99 2U

Yonex Muscle Power 99 2U

2UExtra Stiff

Yonex Muscle Power 99 (Extra Stiff, 2U) is a racket for advanced players with good technique and swing speed. Its demanding characteristics — a stiff shaft that punishes mistimed shots, a heavier frame that builds fatigue over long rallies — require strong fundamentals to use effectively.

Official Specifications

SpecificationValue
Weight Class2U
FlexExtra Stiff
Max Tension23 lbs (10.5 kg)
Frame MaterialHigh Strength Carbon Fiber, Titanium-Nickel Aerospace Metal
Shaft MaterialHigh Strength Carbon Fiber, High Resilience Titanium-Nickel Alloy
SeriesMuscle Power

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