This six-piece set of E-clips is made for HPI Savage 21 scale kits and provides direct replacement retention for small diameter shaft grooves and axle mount points on that chassis.
E-clips hold parts onto grooved shafts and are typically used on wheel hubs, axle pins and other rotating linkages that depend on groove retention. Carrying spare clips helps restore correct axial retention after wear or during routine servicing between runs.
When replacing an E-clip, line it up with the shaft groove and snap it into place, then check for full seating and free rotation. These items are maintenance spares designed to restore retention rather than modify suspension or drivetrain behaviour.
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