RB Circuit 10M•Sirio S21 CL7R STI M•MX 12 MAX XXL3 BL H•Xtec 12 Bottom-end power•Picco 12 Evo-4 B•Xtec .21 buggy engine 'green' (R-series)•OS 21 VZ-B V-Spec T H•Xtec 12HRS High-end power•Xtec 12 Mid-range power•Xceed ZX-21 7P DS-4B•MX 21 MAX XL7 M•Reedy 121VR-ST .21 engine Black (R-series)•Xtec .21 buggy engine 'purple' (R-series)•MX 21 MAX XL9 TQ H•Sirio S21 CL7R STI B•Xtec 21MRS Mid-range power•Sirio S21 CL7R STI spec•Xtec 12BRS Bottom-end power•Picco 12 Evo-4 M•Xceed ZX12 DS4 EM M
