Isometric Ti Swing Power
Model ISO-TIS · Zhou Mi, Roslin Hashim, Martin Lundgaard Hansen
Price history
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Isometric Ti Swing Power: titanium mesh for Yonex’s four-type racquet, 2000–2005
The Swing Power, with titanium
The Isometric Ti Swing Power (Yonex item ISO-TIS) added titanium mesh to Yonex’s four-type Swing Power racquet. Yonex Japan launched it on its “2000 New Technology” racquet page as a titanium racquet built on Swing Power theory for intermediate and advanced players, in four types by playing style and swing speed. It stayed on sale five years longer than the Swing Power 500: Yonex Japan lists its production end as 2005, and its advisory-staff pages of 2003–05 name it for Zhou Mi, Roslin Hashim and Martin Lundgaard Hansen.
Mesh in the frame, 2000
Yonex Japan’s launch page, first archived in July 2000, priced it at ¥21,000 before tax with a soft case. It lists a high-modulus carbon frame with titanium mesh and an ultra-high-modulus carbon shaft, credits the mesh at the center of the frame with face stability and power, and gives all four types, SX, SS, SR and SA, as 10 mm long. Yonex’s 2000 Asian catalog shows it as new, with an H.M. graphite and titanium mesh composite frame, an ultra H.M. graphite shaft, and 87 g (3U) for the SX and SS and 81 g (4U) for the SR and SA. Yonex Japan sold one grip size, G4.5, and its 2004 page adds a built-in T-joint. Its recommended tension widened from 16–18 lb mains for every type in 2000 to 17–22 lb for the SX and SS and 16–21 lb for the SR and SA by 2004. The 2000 page placed it beside the Muscle Power 100, Ti 10 and 10R, Ti 6, 7 and 8 and Carbonex 23.
On Yonex Japan’s staff pages
No launch player is documented, but Yonex Japan’s advisory-staff pages later named the ISO-TIS as the racquet of three players: Zhou Mi of China in 2003–04 (by late 2004 her page named the AT700), and Malaysia’s Roslin Hashim and Denmark’s Martin Lundgaard Hansen, a doubles player, in 2004–05. The pages name the model only, not a color, a type or a match.
Black, then orange
Yonex Japan launched it in black (007). Its product page added orange (005) as a new color by October 2001, and by mid-2002 orange was the only color listed, as it stayed until the model left the range. Yonex Japan’s 2004–05 pages add 日本製, made in Japan. The four types are the only other variants. The Swing Power 900 (navy with a gold shaft) and 500 (silver) share the four types but have no titanium mesh; both have their own pages.
On sale to 2005
The Ti Swing Power stayed in Yonex Japan’s range for more than five years. Its list price held at ¥21,000 before tax; the 2004 pages show ¥22,050 with tax. Yonex Japan’s old-model index files it under 2005年生産終了モデル, models whose production ended in 2005, with the Ti 6, 4 and 2 and the Carbonex 20 Muscle. Outside Japan it appears in Yonex’s 2000 Asian catalog. No verified sales are recorded yet.
Mix-ups, not copies
No counterfeit of the Ti Swing Power is documented. The likelier mistakes are identity ones. Without its name print, a frame can be taken for a Swing Power 900 or 500, which share the four types but have no titanium mesh, or for a Ti-series frame or the Isometric 96 VF of the same years, which use titanium mesh but have no Swing Power types; the 96 VF has its own page. Within the model, check that the type marking matches the weight: 87 g for the SX or SS and 81 g for the SR or SA, in Yonex’s 2000 catalog.
Where the four types ended up
Of the three Swing Power models, the Ti Swing Power has the longest Yonex record: the 900 was listed for two years and the 500 for about two, while this one stayed on Yonex Japan’s list into its sixth year. For a collector, black is the launch finish and orange the later one; Yonex lists no other colors.
Look for ISOMETRIC Ti SWING POWER printed along the shaft, titanium mesh in the middle section of the frame (at the sides of the head in Yonex’s catalog photo) and a type marking (SX, SS, SR or SA). Yonex Japan listed only two colors, black (007) at launch and orange (005) from late 2001, and sold one grip size, G4.5. Yonex’s 2000 Asian catalog gives 87 g (3U) for the SX and SS and 81 g (4U) for the SR and SA. Yonex Japan’s 2004–05 pages say made in Japan. A frame without mesh is a Swing Power 900 (gold shaft) or 500 (silver shaft).
The Ti Swing Power is the titanium-mesh member of the Swing Power family and the one on Yonex’s staff pages. Choose the type first, then confirm the mesh, the shaft print, the type marking and the weight together. Staff-page listings document the model, not any individual frame, so treat claims that a frame belonged to Zhou Mi, Roslin Hashim or Martin Lundgaard Hansen with caution.