★04 module pinion gears provide more of an emphasis on efficiency than 06 module counterparts. ★Set contains 42T and 43T gears, three 3mm grub screws, and a hex wrench.
XV-01 Chassis / XV-01T Chassis / XV-01 PRO Chassis / TA06 Chassis / TA06 PRO Chassis / TA06 MS Chassis / FF-03 Chassis / FF-03 PRO Chassis: Use with 54227. TB-04 Chassis / TB-04 PRO Chassis: Use with 54227. 43T cannot be used. TA05 ver.U Chassis: Use with 53857. TB-03 Chassis: Use with 54055.