Stable quick attack
In addition to high tempo attacking, this rubber enables you to take an advantage in a rally with variety of spin; controlled play with heavy spin is also possible. It best suits for all-round attacking play.
| Name | Challenger Attack | 
| Type | Pimples-out | 
| Speed | (Pimples-out) 36 | 
| Spin | (Pimples-out) 43 | 
| Arc | (Pimples-out) 57 | 
| Sponge hardness | 35 | 
| Color | Red, Black | 
| Sponge thickness | 2.1, 1.9, 1.7, 1.5, 1.3 | 
| Country of origin | Japan | 
| ※ Please use “Free Chack II” when applying to a blade. ※ As this rubber has a delicate surface, it will be easily damaged. In order to protect it, please cover it with protect sheet after playing. ※ If you feel any abnormality on your skin, etc. during wear, please stop using it immediately.  |  |












