Xtec .21 buggy engine 'black' (R-series)•Xceed ZX-21 7P DS-4M•RB TOURING 10 RC M•Reedy 121VR-ST .21 engine Blue (R-series)•Xtec 21 High-end power•Xtec .21 buggy engine 'orange' (NX8)•Xtec .21 GT3 RS engine•Xceed ZX12 DS4 EM H•Xtec 12 spec•OS 21 VZ-B V-Spec T H•Xtec 21MRS Mid-range power•Picco 12 Evo-4 M•Xtec .21 buggy engine 'purple' (NX8)•Xtec 21 spec•RB Circuit 10H•MX 21 MAX XL7 M•Picco P7-R Evo4 .21H•Sirio S21 CL7R STI spec•OS 21 VZ-B V-Spec T M•MX 21 MAX XL7 spec