These are spare rear upright parts for the TRF420 racing car chassis. - TRF420 E Parts x1 - Components are molded in carbon fiber-reinforced plastic for superior rigidity. - Bearing positions are precisely aligned for maximum efficiency. - For use with 3mm diameter shafts (sold in Item 51637). - Compatible with cars using Item 51639 TRF420 D Parts (Suspension Arms).
