S975 SRM Power Meter Crankset

Information from: http://www.sram.com/sram/road/products/s975-srm-power-meter-crankset.

A leader in the world of power measurement, and constantly driving innovation, the wireless S975 SRM integrates SRAM’s unidirectional carbon fiber crank arms matched to SRAM’s smooth shifting RED chainrings. The S975 wireless delivers all the function you expect to maximize your personal training and features ANT+ wireless technology for use with a range of wireless display devices.

Specifications

Wireless Technology: Latest Industry Standard, ANT+ Wireless Protocol

Software: SRM or Training Peaks

Head Unit: Garmin

Available Ratios: 53/39

Available Arm Lengths: 170mm, 172.5mm, 175mm, 177.5mm

Weight: 884g w/BB, 813g w/BB-30

Chainring Material: SRAM Red PG Chainrings with Anodized Coating, Alloy Chainring Bolts

Arm Material: Unidirectional Carbon