A triple crankset with melt forged arms, non-replaceable chainrings and is compatible with square taper bottom brackets.Alloy crank armsSteel chain rings48mm chain line with a 122mm spindleIntegrated chain guardChainrings are not replaceableItem SpecificationsRings48/38/28Pedal Spindle9/16″BB IncludedNoSpindle Interface TypeSquare Taper JISColorBlackChainring BCDRivetedChainline/Hub Compatibility135/142 MTB HubsDefined ColorBlackNumber of ChainringsTripleCrank Length (mm)170Crank Intended UseMountainDrivetrain Speeds7 Product Features XR-T Crankset