This is certainly a lightweight and tough aluminum 18T pinion gear with special layer requested superlative durability. Optimized enamel design decreases power loss and sound.
Appropriate Chassis
TT-02, TT-02 Type-S, TT-02D, TA07 PRO, TB-04 PRO, TB-04, M-07 Concept, M-06 PRO, M-06, M-05 PRO, M-05, MF-01X, F104, RM-01, DF-02, TT-02B and CR-01 Chassis