The tubular Cr-Mo SE V-Ridge cranks come equipped with a super-strong cold forged 19mm spindle. The crank arms feature unique V-Ridge tubing, which results in extra strength and less flex. These cranks won’t let you down. Key Features Tubular 4130 Cr-Mo Arms V-Ridge design for added strength Cold Forged 19mm 9-spline spindle SE Wing Logo compression bolt Available in chrome and black Sizes: 175mm Colors Black, Chrome