The Hong Kong, China Tenpin Bowling Congress is the latest to ban urethane (slow oil-absorbing high performance) bowling balls, doing so for all local tournaments organized by the HKCTBC, effective March 1.
It made the announcement in this Facebook post on Saturday:Announcement Regarding the Use of Slow Oil-Absorbing High-Performance Urethane Bowling BallsThe Hong Kong, China Tenpin Bowling Congress (HKCTBC) has been dedicated to developing and promoting tenpin bowling while ensuring fairness,...