Grip size affects comfort, control and injury risk. Here's how to get it right.
UK grip sizes
Grips run from L0 (smallest) to L5 (largest). Most adults use L2 or L3; juniors and smaller hands use L0–L1.
The finger test
Hold the racket in a forehand grip. You should be able to fit your other index finger in the gap between your fingertips and palm. Too tight = size up; no gap = size down.
When in doubt, size down
You can always build a smaller grip up with an overgrip, but you can't make a large grip smaller.
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