The Ping i2o – The Ping i15 has been improved on and morphed into the Ping i20 – The engineers at Ping have improved the weight distribution giving a little more forgiveness for the better player and changed the club design from a fade bias to neutral. The internal weightsand COG (Centre of Gravity) have been optimized to produce a low spin rate giving more roll on the fairways and less sideways movement in the air. The club is aero-dynamically designed and provides less drag and therefore more speed.
Hitting review – The i15 was about fade bias – the i20 is about neutral bias and workablity.
Golf Digest Hot List 2012 – Gold