RadioMaster Ultimate Radio Bundle – TX16S MK3 (Black), Nexus-XR Flight Controller (Grey) & RadioMaster 18650 3200mAh 3.7V Battery (2pcs) Blades the JConcepts Smoothie 2 is

the JConcepts Smoothie 2 is pre-mounted on the #3405 standard Mini-T diameter rear wheel

so the choice is based on appearance rather than performance

and throttle data

Traction rolling is a commonly observed issue that often plagues 1:28 mini cars when they possess grippy tires

Colored box packaging*1

RadioMaster Ultimate Radio Bundle – TX16S MK3 (Black), Nexus-XR Flight Controller (Grey) & RadioMaster 18650 3200mAh 3.7V Battery (2pcs) Blades the JConcepts Smoothie 2 is*** PACKAGE INCLUDES: 1* RadioMaster TX16S MK3 Radio Controller (ELRS M2 512MB) Black 1* RadioMaster Nexus XR Helicopter Flight Controller Integrated 2. 4GHz ExpressLRS Receiver Grey 1* RadioMaster 18650 3200mAh 3. 7V Battery (2pcs) For TX16S TX15 Boxer TX12 MT12 Radios 1. RadioMaster TX16S MK3 Radio Controller (ELRS M2 512MB) Black Features: High Performance MCU:  Powered by the STM32 H7 chip for maximum processing power. Touchscreen