Yonex · Current model

Yonex VCORE 100

The 100 in², 300 g VCORE 100 combines a 16×19 pattern with a 24–26–23 mm beam and a nominal 320 mm balance. Compare the complete specification with the 98, then separate a higher launch from added spin during a demo.

100 in²16 × 19300 g · Unstrung

Key specs

Head size: 100 in²
String pattern: 16 × 19
Weight: 300 g · Unstrung
Length: 27 in
Frame profile: 24 / 26 / 23 mm
Balance: 320 mm
Recommended tension: 45–60 lb
Status: Current model

When comparing products

Length: 27 in · Weight: Unstrung
Racquets	Head size in²	String pattern	Weight g	Swingweight	RA
Yonex VCORE 100	100	16×19	300	—	—
Babolat Pure Drive Gen11	100	16×19	300	—	72
Babolat Pure Strike 100 Gen4	100	16×19	300	—	68
Dunlop CX 400 Tour	100	16×19	300	—	68

The 100 and 98 differ in more than head size

The official specification for item 08VC100 is 100 in², 300 g unstrung, 27 inches and 16×19. The beam profile is 24–26–23 mm, with a nominal manufacturer balance of 320 mm. The 08VC98 has 98 in², 305 g, a 23–23.5–22 mm beam and 315 mm balance, so area, mass, section geometry and centre of mass change together.

Being 5 g lighter does not establish easier acceleration. Balance locates the centre of mass; swingweight describes resistance to rotation. The global table does not explicitly label the balance measurement as strung or unstrung. Its nominal value cannot replace measured swingweight for the two racquets with their playing strings and grips installed.

Read the four design goals without inventing a spin percentage

Yonex describes the eighth generation through four elements: sweet spot, snapback, speed and stability. The upper-frame shape and horizontally designed upper grommets address the hitting area and string movement; the aerodynamic frame addresses drag during the swing. These are design aims, separate from a particular player's resulting ball rotation.

The ISOMETRIC claim of a 7% larger sweet spot is a Yonex test comparison with a conventional round frame. It does not mean 7% more spin than the previous VCORE. Racquet speed and path, ball–string friction and string movement all contribute to spin. A higher flight path alone does not demonstrate an increase in rotation.

Track clearance and landing depth when changing strings

The recommended reference-tension range is 45–60 lb. At the same machine setting, material, gauge, string length and time in use can still produce different stringbed responses. Start a comparison with a familiar string and gauge, and avoid changing material and tension simultaneously if you want to identify the cause of a difference.

If balls are going longer, record net clearance separately from landing depth. Check for a more open face, later contact or a changed string setup before making an adjustment. Lowering the trajectory may solve one problem while creating another if defensive replies now repeatedly land short.

Choose a useful comparison: the 98 or the 100D

Against the 98, compare depth from both central and off-centre contacts under the same string conditions. Does the larger area help with your usual misses, or can you repeat your timing more reliably with the 98's different mass and beam? A smaller head is not an automatic accuracy upgrade.

The VCORE 100D is another option within 100 in². Yonex lists 305 g, 315 mm and 16×20: one more cross than the standard 100, together with different nominal mass and balance. A demo therefore compares several changes, rather than isolating string-pattern density alone.

Pair high crosscourt rallies with pressured returns

Choose a landing zone and send both higher and lower crosscourt trajectories into it. Then include fast serve returns and balls directed close to the body to see whether you retain depth with less preparation time. Comfortable topspin rallying is only the first part of this demo.

Every ten points, separate balls reaching the intended depth, balls going long and short replies caused by late preparation. Match stringing dates and ball condition across the racquets where possible. This is a personal selection exercise, not a measurement of racquet spin output or a universal performance score.