For golfers who's swing speeds are under 105 MPH Bridgestone Golf, trusted by the best golfers in the world, delivering distance, power, and results. This is a must have golf ball for golfers looking to reach their potential. Tour Distance The TOUR B RX with REACTIV iQ delivers increased ball speed for maximum distance off the tee and HIT and SIT performance on approach shots. The TOUR B RX is ideal for players with swing speeds under 105 MPH who want additional distance. REACTIV iQ New, proprietary smart cover technology rebounds quickly on tee shots for explosive velocity and increased distance, while also staying on the face longer on approach shots for more spin and soft feel around the green.