With the launch of the O³, Prince has once again made a breakthrough in tennis racquet engineering. The newly designed giant Speedports which replace the traditional pin-sized string holes now provides for total string freedom of movement. As a result, the sweetspot size is increased up to 59%. This is a true revolution in tennis racquet technology.
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 Prince O3 White 100 sq in  US $69.95 |
 Prince O3 Hybrid Spectrum Tennis Racquet Used w NEW STRING AND NEW GRIP L3 US $48.00 |
 Prince O3 Silver OS Prestrung Tennis Racquet US $79.99 |
 Prince O3 Red Tennis Racquet Grip 3 Sharapova Jankovic Brian Brothers US $84.99 |
 PRINCE O3 SPEEDPORT TOUR tennis racket racquet 4 5 8 US $109.95 |
 Prince O3 Hybrid Hornet GREAT CONDITION demo US $75.00 |
 Prince O3 Read OS 105 4 1 4 Tennis Racquet US $79.99 |
 prince O3 Speedport Tour DEMO used US $120.00 |
 Prince O3 Speedport Black Midplus String Hole Inserts US $10.00 |
 Prince O3 tour MP 100 US $99.98 |
 Prince O3 Speedport Black Midplus Tennis Racquet 0 Bid US $50.00 |
 Used Prince O3 Hybrid Shark Oversize US $39.99 |
 Prince O3 SpeedPort BLACK Tennis Racquet US $99.00 |
 Prince O3 Hybrid Tour 26 Junior Tennis Racquet US $77.39 |
 Prince O3 Hybrid Shark Oversize Tennis Racquet 110 sq in Head 4 1 8 US $189.99 |
 Prince O3 Hybrid Ignite 26 Junior Tennis Racquet 4 0 8 US $90.00 |
 Prince O3 Speedport Silver Squash Racquet US $179.00 |
 Prince O3 Tour MP 4 5 8 Tennis Racquet US $99.99 |
 Prince O3 Speed Port Gold US $119.00 |
 PRINCE O3 SpeedPort Pro White 100 4 3 8 Tennis Racquet EUC NR 0 Bid US $49.99 |
 Prince O3 Speed Port Tour MP 4 3 8 USED US $109.00 |
 NEW Prince O3 HyBrid Spectrum 110 4 3 8 Tennis Racket US $119.99 |
 Prince O3 Tour Midplus 100 4 1 2 Tennis Racquet US $99.99 |
 Prince O3 White 1 Bid US $50.00 |
