ODIN CRANK ~ CRANKS: - Features:4130 tubular Chromoly arms w/ pinch bolts. - Spindle: 19mm, 8 spline, heat-treated Chromoly. - Spindle bolts: 8mm Flush Mounts. - Length: 170mm. - Color: Matte Black. - Weight: 33.40oz. ~ BOTTOM BRACKET: - Features: 2x conical cone spacers. Precision sealed bearings. - Spindle size: 19mm. - Shell size: MID. - Tube spacer: Alloy. - Color: Black. - Weight: 5.75oz. (163g.)