A reliable source for goalball schedules, scores, and standings.
Section: SECTION A - PREPARATION FOR THE GAME
The ball will conform to the following specifications: ? Diameter: the ball must be round and have a diameter of 24-25 cm. ? Circumference: 75.5 cm-78.5 cm ? Weight: 1.250 gr (+/-50 gr). ? Sound holes: 4 holes in upper hemisphere staggered from 4 holes in lower hemisphere ? Bells: 2 pieces ? Elastomer: Natural Rubber (NR) ? Hardness according to Norm DIN 53505: 80-85 ?Shore A ? Colour: blue ? Surface: knobbed ? No toxicological components