Golf Clubs and Golf Club Heads

A grip assembly comprising:

• a receptacle configured to receive an electronic module and a grip member connected to the receptacle to form the grip assembly as a single, integral piece, the grip member defining a central passage receiving the distal end of the shaft to connect the grip assembly to the shaft, wherein the grip assembly is configured to connect to the distal end of a sports implement.

The grip assembly of claim 1010, further comprising an electronic module received within the receptacle.

An assembly comprising:

• an extension configured to be removably engaged with a grip or distal end of a sports implement, the extension comprising a first portion having a receptacle configured to receive an electronic module, an opening for insertion and removal of the electronic module into and from the receptacle, and a retaining member configured to retain the electronic module within the receptacle, the extension further comprising a second portion having a connection member configured to removably connect the extension to the grip or distal end of the sports implement,
• wherein the extension is configured such that the first portion extends distally beyond the grip or distal end of the sports implement.