I know this thread is a bit old. Had emailed Ping directly and received the following information.
Alta CB Black 55:
SR: 5.8 Torque, 232 Frequency, 56g weight
R: 4.9 Torque, 252 frequency, 57g weight
S: 4.7 torque, 275 frequency, 60g weight
Tour 2.0 Chrome 65:
R: 4.3 torque, 261 frequency, 60g weight
S: 4.0 torque, 276 frequency, 64g weight
X: 3.7 torque, 298 frequency, 69g weight
Tour 2.0 Black 65:
S: 3.8 torque, 287 frequency, 63g weight
X: 3.4 torque, 299 frequency, 70g weight
Tour 2.0 Chrome 75:
S: 3.2 torque, 276 frequency, 74g weight
X: 3.1 torque, 297 frequency, 78g weight
Tour 2.0 Black 75:
S: 3.1 torque, 277 frequency, 78g weight
X: 2.7 torque, 303 frequency, 81g weight