Signum Pro

Hyperion 1.24

1.24 · Polyester · round

Polyester string, 1.24 mm gauge, round profile.

Where to buy

Signum Pro Hyperion 1.24

Prices as we recorded them on 22 Sep 2026, not a live feed — check the shop before buying · We may earn a commission when you buy through these links, at no cost to you — it never changes a score.

Specs unchecked

These figures come from the catalogue and have not yet been checked against a published source. The page says so until they are.

€7.80 at Tennis-Point

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Specifications

✓ measured by us · Manufacturer = checked against the maker's sheet · Unchecked = not yet checked

Gauge 1.24 mm Unchecked

Material Polyester Unchecked

Shape round Unchecked

Reel length 200 m Unchecked

Where it wins and loses

against the average for this category

Strengths

Polyester: the most spin and the best durability of the string types

Thin at 1.24 mm — more bite on the ball and more feel through the hand

Trade-offs

Loses tension faster than any other material, and the least forgiving on the arm

A 1.24 mm string breaks sooner than a thicker one

Read off this product's specification — what each choice on the sheet buys and what it costs.

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