ProKennex 2019 Ki Q+ 5 Pro (310g) Tennis Racquets

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The “+” in the Q+ Series refers to the 25% increase in Kinetic Energy Chambers, which equates to even LESS SHOCK, LESS VIBRATION and LESS TOURQUE delivered to players.  The Prokennex Ki Q+ 5 Tennis Racquet is Pro Kennex’s most popular frame among intermediate to advanced players.  The Quadfocus system delivers a “cornered” expansion of the sweet spot resulting in a unique plow-through dimension which delivers a heavy ball with a surplus of spin.  Players will also find the Quadfocus System delivering deeper, more penetrating volleys and service returns due to the wider sweet spot at the top.  In spite of it’s light weight, the Q+ 5 players have come to expect an arm-friendly racket.  So, with the completely new frame architecture (Q Shape) designed to optimize the Kinetic Effect, and the 25% increase in Kinetic Chambers, the Q+ 5 will not disappoint.

The ProKennex 2019 KI Q+ 5 PRO (310) Tennis Racquets provide premium performance elements like impressive power, reduced shock, vibration, and less torque. The mid plus Q+5 PRO tennis racquet is a great choice for players with a faster, longer swing speed who want a slightly heavier frame in the 310 g version.


  • KINETIC TECHNOLOGY:  This is the original Kinetic Technology. It feature thousands of micro-bearings housed inside multiple chambers surrounding the entire racquet head. As the racquet swings forward, the micro-bearings move to the back wall of the frame, loading energy. When the racquet strikes the ball, this kinetic mass transfers forward, adding power and reducing frame shock and vibration.
  • IONIC TECHNOLOGY:  This is the second generation of the Kinetic System. It uses an Ionic coating process to alleviate all static electricity to fully optimize the dynamic power of the micro-bearings. The result is MORE power, MORE Stability and MORE comfort.
  • Q TECHNOLOGY QUADFOCUS:  After worldwide play-testing, the overriding distinction of Kinetic Q technology is its ability to generate incredible power and spin, two characteristics that typically work in opposition. To overcome this conflict, Pro Kennex “componentized” the Kinetic Housing into segments, and located them in the four corners of the frame. They call this advancement “Quadfocused.”  By concentrating the entire secondary mass in these four locations, maximum Kinetic Effect is dynamically activated. Q engineering also allows Pro Kennex to tune the system to better leverage swing physics, delivering unprecedented frame performance; hence spin and power can now live in the same frame. Of course, you can continue to count on the acclaimed and unrivaled attributes of the patented Kinetic System, which begins at the outer boundaries of current racquet technology: 15% increase in power zone, 50% improvement of torsional stability on off center shots, 43% reduction of vibration, and the only technology proven to eliminate shock.
  • With the introduction of the Q+ Series in 2017: ProKennex improves Quadfocus Technology by expanding the Kinetic Energy Chambers by 25%! The result is even more vibration dampening along with greater torsional stability and shock reduction (according to ProKennex). Also with the Q+ Series ProKennex updated the frame chassis with a QShape to expand the sweetspot, representing a high performance output over a larger surface area.
  • SpiralTech Carbon: A combination of stiff high modulus graphite (for power) and softer Spiral Tech graphite (for dampening). ProKennex claims this offers better playability than conventional graphite frames.
Weight 3 lbs
Dimensions 1 × 1 × 1 in
Grip Size

4-1/8, 4-1/4, 4-3/8, 4-1/2, 4-5/8


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Racquet Specifications
Spec Type: MidPlus Specs
Head Size: 100 in² / 645.16 cm²
Racquet Length: 27in / 68.58cm
Strung Weight: 11.5oz / 326g
Balance: 12.59in / 31.98cm / 7 pts (HL)
Racquet Stiffness: 66
Beam Width: 21.5mm Straight Beam
Power Level: Low-Medium
Swing Speed: Medium-Full
Grip Type: Prokennex Synthetic
String Pattern: 16 Main / 20 Crosses
String Tension: 50-65 lbs.