Substitution CVD BB drive shaft 54mm made from world-renowned HUDY Spring metal. This race-quality drive shaft is a spare component for #305408 CVD BB Drive Shaft 54mm - Set - HUDY Spring Steel????. Recommended for used in high-traction conditions, as well as for songs with many hairpin corners. Must be used with #304972 - Gear Diff CVD BB Driveshaft Outdrives. Set of 2.