The e*thirteen Gen 4 TRS Race Carbon Cranks have a reduced Q-factor and overall profile, and utilize a special compression molding technique and additional 3K carbon in impact areas, to create a light weight carbon crank system which tests significantly stronger and more impact resistant. Features compression molded carbon fiber crankarms and a 73mm aluminum P3 Connect spindle for superior durability and weight savingsSpindle is located on the non-drive side of the crank for easier chainguide setup and drivetrain maintenanceCrank and spindle features Quick Connect lockring and Adaptive Preload Adjuster for easy chainring installationThe 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, BB92Item SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility141/148 Boost HubsChainline/Hub Compatibility157 Super Boost HubsChainring BCDDirect Mount e*ThirteenColorBlackCrank Intended UseMountainCrank Length (mm)175Defined ColorBlackDrivetrain Speeds11Drivetrain Speeds12Number of ChainringsNo Rings IncludedPedal Spindle9/16"RingsSold SeparatelySpindle Interface Typee*Thirteen P3 ConnectWeight425 e*thirteen TRS Race Carbon Gen 4 Crankset Crankset EAN: 4710751504509