DONIC rubber Bluegrip J1 (2025)

The ultimate offensive weapon with Zhang Jike's signature style

The Donic Bluegrip J1 crowns the success story of the Bluegrip series as hardest variant (55° sponge) in the of Zhang Jike co-developed J-series. This rubber combines the best properties of the Bluestar A- and Bluegrip C-Series resulting in a unique gameplay characteristic.

🔥 Top Features

✔ Symbiosis technology :

• Top rubber mix made of Bluestar A (high rotational speed)

• Sponge architecture of the Bluegrip C (catapult-powered)

✔ Game character :

• Explosive Catapult effect for dynamic attacks

• Extreme rotation-friendly surface

• Precise Ball placement even under speed pressure

✔ Pro development :

• From Zhang Jike Personally tested & optimized

• Fine-tuning for tournament players

📊 Technical data

• Sponge hardness : 55° (J1 = hardest variant)

• Thickness : 2.0 mm / MAX

• Surface : Slightly sticky, extremely grippy

• Colors : Red / Black

🎯 Ideal for

✓ Uncompromising attacking player
✓ Players who Spin & Speed want to combine
✓ Professionals and ambitious club athletes

💡 Pro tip

Perfect for Topspin-oriented players who base their attacking game on maximum penetration power and pinpoint accuracy want to upgrade. The slightly sticky surface generates dangerous rotations during serves and attacking shots.

>> For players who demand extra power and rotation! <<