GXBolt-963 is the only mobile resistance training technology that offers five points of resistance for any distance.
GXBolt-963 serves multiple purposes for developing high performing athletes. You can push and pull GXBolt-963. Pushing and pulling GXBolt-963 for explosive power development, but also develop the athletes top end speed and every phase to sprinting faster.
GXBolt-963 was invented by sprinters for sprinting and designed to specifically improve athletes starting, drive phase, transition, maximum velocity phase and deceleration.