Hong Nor Cup Lighter Weight RC Diff Cup - X1S-39 Transmission Skid Guard Compatible HPI Racing RC vehicle

Compatible HPI Racing RC vehicle (verify fitment against your model's parts diagram before ordering)

Joker (SCAG1155M) is a slot car set that gives you everything to start racing out of the box

ready for tabletop use straight out of the box

sold as a pair and intended as direct-fit replacements for the front axle positions

No modification required — inserts sit inside the wheel and tyre assembly during mounting

Hong Nor Cup Lighter Weight RC Diff Cup - X1S-39 Transmission Skid Guard Compatible HPI Racing RC vehicleThe Hong Nor X1S 39 is a lightweight diff cup designed as a spare or replacement part for the Hong Nor X1S competition RC car. Diff cups are a wear item in any serious RC racing setup, and having the correct replacement on hand keeps your X1S running without unnecessary downtime between sessions. The reduced weight of this diff cup compared to a standard unit is a genuine functional difference, lowering rotating mass in the drivetrain. Key Features