Patent ID: 8900067

Claim:
An adjustable length golf club shaft for a wood-type club comprising: a grip portion, the grip portion having an end region including an end point and further includes an upper shaft and grip cover; a locking element located within the grip portion; and a lower shaft having an inner surface that is in frictional contact with the locking element, wherein the locking element is configured to engage the inner surface of the lower shaft, wherein a total length of the golf club shaft is adjustable by a distance of at least one inch and a total weight of the golf club shaft in a weight zone is less than 110 g when the shaft is in a fully retracted position, the weight zone being defined as all portions of the golf club shaft that are located between the end point of the grip portion to 11″ along a central axis of the golf club shaft toward a tip portion of the shaft; wherein the golf club shaft can withstand torsional forces of at least 10 N-m and axial forces of at least 500 N when applied to the longitudinal axis of the shaft.