
Yonex Muscle Power 99 3U
3UExtra Stiff
Yonex Muscle Power 99 (Extra Stiff, 3U) is a versatile racket suited to intermediate-level players developing their game.
Official Specifications
| Specification | Value |
|---|---|
| Weight Class | 3U |
| Flex | Extra Stiff |
| Max Tension | 23 lbs (10.5 kg) |
| Frame Material | High Strength Carbon Fiber, Titanium-Nickel Aerospace Metal |
| Shaft Material | High Strength Carbon Fiber, High Resilience Titanium-Nickel Alloy |
| Series | Muscle Power |
Similar Rackets
| Racket | Match | Weight Class | Balance Type | Flex | |
|---|---|---|---|---|---|
![]() | 50% | 3U | — | Extra Stiff | |
![]() | 50% | 3U | — | Extra Stiff | |
![]() | 50% | 3U | — | Extra Stiff | |
![]() | 50% | 3U | — | Extra Stiff | |
![]() | 50% | 3U | Head Heavy | Extra Stiff | |
![]() | 50% | 3U | — | Extra Stiff |





