XRAY 71mm Rear Drive Shaft w/2.5mm Pin

This is an optional XRAY 71mm Rear Drive Shaft with 2.5mm Pins. This CNC-machined CVD rear drive shaft (71mm) with 2.5mm pin, made from world-renowned HUDY Spring Steel™. Hardened with a proprietary hardening process, the drive shafts provide unbeatable lifetime and reliability. 

Recommended for use in XB2 when using XB4 rear arms and XRA325002 ball differential.