Inner and outer chainrings are nickel-plated AL-7075
Middle chainrings has titanium teeth mounted to a composite carbon fiber carrier
68 or 73mm BB shell compatible
Chain Compatibility: 9-Speed
Weight: 775 g
BB Thread Type: English
Spindle Interface Type: Hollowtech II
Pedal Spindle: 9/16″
Bolt Pattern: 4-Bolt
Chainring BCD: 104,64 mm
Arm Length: 175 mm
Rings: 22/24-32-44
