That is a lightweight and tough aluminum 22T pinion gear with special coating sent applications for superlative durability. Optimized enamel design reduces power loss and sound.
Compatible Chassis
TT-02, TT-02 Type-S, TT-02D, TT-01 Type-E, TT-01 Type-ES, TT-01D Type-E, TA07 PRO, TA06 PRO, TA06 MS, TA06, TB-04 PRO, TB-04, FF-04 EVO, FF-03 PRO, FF-03, TB Evo.7, TB Evo.6 MS, TB Evo.6, M-07 Concept, MF-01X, XV-01T, XV-01 PRO, RM-01 and CR-01 Chassis