What is the bearing that comes in the wet whistle? It has a groove through the middle of it that centers the string and I really like that.
Most likely either a Twisted Trifecta Bearing or Crucial Grooved Bearing. Still some Crucial in stock:
http://shop.yoyoexpert.com/product/365/Crucial-Grooved-Bearing
^Yes, it was a crucial grooved bearing. Thanks.