SE Racing V-ridge 3 piece chromoly cranks with spindle and bolts. The V-ridge tubing design makes for a stiffer arm with less flex.
Color: CHROME Material: 4130 chromoly arms (SE states spindle is "cold forged" but does not mention if it is chromoly or not) Arm length: 175mm Spindle: 19mm diameter, 150mm long, 8 spline, for sealed bearing bottom bracket (BOTTOM BRACKET NOT INCLUDED) Includes: LH and RH arms, 19mm x 150mm spindle, 2x spindle bolts with SE wings engraved on the face, torque bolt for chainwheel Uses 9/16 spindle pedals.