The SHIMANO SORA 2x9 speed road crank uses a high-end 4-arm design and compact 50-34T chainrings and is available in 165, 170, and 175mm crank arm lengths.

Specifications
BB Included: No
Chainring BCD: 74, 110 4-arm
Chainrings Included: Yes
Crank Intended Use: Road
Drivetrain Speeds: 9
Number of Chainrings: Double
Pedal Spindle: 9/16"
Rings: 50/34
Spindle Diameter: 24mm
Spindle Interface Type: Shimano Hollowtech II
Color: Gray

Mfr Claimed Weight
TBC