Xtec 12 spec•RB TOURING 10 RC H•MX 21 MAX XL7 M•Xtec 21 Bottom-end power•RB Circuit 10H•Reedy 121VR-ST .21 engine Blue (R-series)•OS 21 VZ-B V-Spec T H•Xtec 21BRS Bottom-end power•RB Circuit 10B•Xtec 21 High-end power•Xtec 12 Mid-range power•Xtec 12 Bottom-end power•Reedy 121VR-ST .21 engine Black (R-series)•RB TOURING 10 RC spec•Xceed ZX12 DS4 EM spec•Xtec .21 buggy engine 'green' (NX8)•MX 21 MAX XL9 TQ H•RB Circuit 10M•Picco P7-R Evo4 .21B•Xtec 12MRS Mid-range power