CNC-machined CVD right back drive shaft (77mm) with 2.5mm pin. Made out of world-renowned HUDY Spring metal the drive shafts feature 2.5mm drive pins for maximum drivetrain efficiency. The drive shafts are connected to thinnest yet most durable drive shafts within electric down road cars. Addressed with a proprietary solidifying procedure, the drive shafts offer unbeatable lifespan and reliability.