TruVativ Firex Team GXP 2-Piece Mountain Crank/Bottom Bracket Sets are constructed with forged AL-66 aluminum and have 7075-T6 metal polished chainrings.Includes crankarms, spindle assembly, bottom bracket cups, bearings, shell assembly and crank bolt assemblyForged AL-66 construction with AL-7075-T6 metal polished chainrings9-speed compatible68 or 73mm shell-compatibleLeft arm of Firex models can be removed with any ISIS extractor toolItem SpecificationsColorBlackWeight950gBB Thread TypeEnglishSpindle Interface TypeTruVativ GXPPedal Spindle9/16"Bolt Pattern4-BoltChainring BCD64,104mmArm Length175mmRings26-36-48Crank-FD TypeMountain TripleBB Shell Width70,68mmCrank Intended UseMountainChain Compatibility9-SpeedDefined ColorBlack