Heavy duty trailing axle steering hub set for the F1Ultra Series and also Tamiya F104 and TRF103/104 series (for most f1 cars using 3mm steel pins).
Provides more stable and easier handling on high speed tracks.
Adjustable axle allows for -1mm and -2.5mm trailing arm settings.
Polished 7075 hubs matched to hardened steel axles.
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