e*thirteen's TRS Race carbon crankset is crafted from lightweight components, so you can hit the trails at full speed. - Features compression molded carbon fiber crankarms and a 73mm aluminum P3 Connect spindle for superior durability and weight savings - Spindle is located on the non-drive side of the crank for easier chainguide setup and drivetrain maintenance - Crank and spindle features Quick Connect lockring and Adaptive Preload Adjuster for easy chainring installation - The adjustable chainline accommodates non-Boost (142mm), Boost (148mm), and Super Boost (157mm) - Compatible with e*thirteen's SL Guiderings (28-38t options for non-Boost and Boost frames) and UL Guiderings (30-42t options for Super Boost frames) - Compatible with the following bottom bracket standards: 68/73mm threaded BSA, PF30, BB30, BB92 - Number of Chainrings: No Rings Included - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Spindle Interface Type: e*Thirteen P3 Connect - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount e*Thirteen - BB Included: No