These GPM SSAV12110 steel universal swing shafts are engineered for improved driveline durability on the HPI Savage 21. The wide 5mm shafts are supplied with adaptors, pins and washers to provide a secure mechanical interface for front and rear installation.
HPI Savage 21 Steel Front/Rear Universal Swing Shaft (Wide 5mm With Adaptor & Pins & Washers) - 1pr set - GPM SSAV12110