ProKennex
Ki Q+5X Pro (305)
The Ki Q+5X Pro is the most technologically innovative arm-protection frame on the market. ProKennex's Kinetic Quadfocus Technology deploys movable microbearings in isolated chambers throughout the frame head and butt cap — these tiny pellets absorb and redirect the shock, vibration, and torque that would otherwise travel through your arm on every strike. The result is a clinically arm-friendly frame that still performs. The 27.5" extended length adds reach, leverage, and spin potential, while the 16x20 string pattern gives the dense feel of an 18x20 with better spin access. At $199, there's nothing else like it.
Full specifications
Pros and cons
Pros
Kinetic Quadfocus Technology offers unmatched arm protection
27.5" length adds reach, leverage, and spin
16x20 pattern combines control with better spin than 18x20
$199 price is exceptional for the technology involved
Cons
Extended length takes adaptation time
340 swingweight requires physical conditioning
Not the racket for quick, reactive volleys
Ratings breakdown
Who is this for?
Best for
Advanced players managing arm injuries, or those who want maximum arm protection without sacrificing performance
Not ideal for
Players who need quick, reactive handling at net — the 27.5" length and 340 swingweight reduce maneuverability
Our review
The best racket in the world for players managing arm injuries or preventing future ones. The extended length and kinetic system work together to create something that plays heavier than it feels.
Editorial note
If arm pain has impacted your game, the Ki Q+5X Pro deserves serious consideration. The kinetic technology is real, clinically studied, and unlike anything in a standard graphite frame.
$199
Prices may vary by retailer
Quick specs
Ratings