IXF 104BCD MTB Bike Crankset with bottom bracket, Narrow Wide Single Chainring 170mm Crank Set(Red)The product is shipped based on the color or size of the main image of the product page.Colour:redCrank : JIANKUN (IXF)Crank Arm length: 170mmMaterial: Aluminum alloy,UltralightCompatible: Single/Double/Triple chainring; for 7/8/9/10/11S chainringBolt Center Diameter: 104mm BCDWeight: about 637g (right & left)Color: black,red,blue,green,gold,purple (Optional)Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibilityBottom Bracket Spindle/Bearing inner diameter: 24mmFit BB shell width: 68/73mmFit BB shell inner diameter: 1.37in x 24 TPISpindle Interface Type: Hollowtech IIIntegrated hollow tooth plate axis for mountain biking, road cycling Five-width 68--73mm can be, and shimano, FSA compatible. Giant ATX770 ATX770-D XTC 750 Package Include:Bicycle Crank(left+right)orBicycle Crank(left+right) + bottom bracket