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.