Cap screw-affixed aluminum wheel hubs make for very secure attachment. ★Design ensures 2x10mm stainless shafts remain safe when detaching. ★Includes four 5mm thickness hubs, cap screws, and other small parts. Compatible Chassis TT-02*1, TT-02 Type-S*1, TT-02D*1, TT-01D Type-E, TT-01 Type-E*1, TT-01 Type-ES*1, TA07 PRO, TA06*1, TA06 PRO*1, TA06 MS*1, TA05 Ver.II*1, TB-04*1, TB-04 PRO*1, FF-04 EVO, FF-03*1, FF-03 PRO*1, TRF419, TRF419X, TB Evo.7, TB Evo.6, TB Evo.6 MS, M-07 Concept, XV-01T and XV-01 PRO Chassis *1 Use with Item 53646 or 53647.