A golf club, comprising: a golf club head; a shaft configured to engage with the golf club head; a grip engaged with the shaft; and a monitoring device; wherein the grip of the golf club receives the monitoring device, the monitoring device comprising: at least one sensor configured to determine data related to the characteristics of a golf swing; a transmitter configured to transmit the data related to the characteristics of a golf swing to a remote computer; a compartment configured to secure the sensor and the transmitter; and a removable section removably engaged with the golf club shaft, wherein the compartment is removably engaged with the removable section, and wherein the grip of the golf club is configured to removably engage and secure the removable section of the monitoring device, wherein the removable section includes: a circular portion which is configured to form the top of the shaft when the removable section is engaged with the grip of the golf club; and an elongated portion which extends from the circular portion and is configured to house the compartment, wherein the elongated portion includes a first arched end configured to engage a first rounded end of the compartment, a second arched end configured to engage a second rounded end of the compartment, wherein the second arched end is opposite the first arched end, and wherein the elongated portion includes a back portion which extends between the first arched end and the second arched end and is configured to engage a side of the compartment. a golf club head; a shaft configured to engage with the golf club head; a grip engaged with the shaft; and a monitoring device; wherein the grip of the golf club receives the monitoring device, the monitoring device comprising: at least one sensor configured to determine data related to the characteristics of a golf swing; a transmitter configured to transmit the data related to the characteristics of a golf swing to a remote computer; a compartment configured to secure the sensor and the transmitter; and a removable section removably engaged with the golf club shaft, wherein the compartment is removably engaged with the removable section, and wherein the grip of the golf club is configured to removably engage and secure the removable section of the monitoring device, wherein the removable section includes: a circular portion which is configured to form the top of the shaft when the removable section is engaged with the grip of the golf club; and an elongated portion which extends from the circular portion and is configured to house the compartment, wherein the elongated portion includes a first arched end configured to engage a first rounded end of the compartment, a second arched end configured to engage a second rounded end of the compartment, wherein the second arched end is opposite the first arched end, and wherein the elongated portion includes a back portion which extends between the first arched end and the second arched end and is configured to engage a side of the compartment. at least one sensor configured to determine data related to the characteristics of a golf swing; a transmitter configured to transmit the data related to the characteristics of a golf swing to a remote computer; a compartment configured to secure the sensor and the transmitter; and a removable section removably engaged with the golf club shaft, wherein the compartment is removably engaged with the removable section, and wherein the grip of the golf club is configured to removably engage and secure the removable section of the monitoring device, wherein the removable section includes: a circular portion which is configured to form the top of the shaft when the removable section is engaged with the grip of the golf club; and an elongated portion which extends from the circular portion and is configured to house the compartment, a circular portion which is configured to form the top of the shaft when the removable section is engaged with the grip of the golf club; and an elongated portion which extends from the circular portion and is configured to house the compartment, wherein the elongated portion includes a first arched end configured to engage a first rounded end of the compartment, a second arched end configured to engage a second rounded end of the compartment, wherein the second arched end is opposite the first arched end, and wherein the elongated portion includes a back portion which extends between the first arched end and the second arched end and is configured to engage a side of the compartment.