This is the ProTek R/C "Supreme Power" 3S 2200mAh

Red colored ring pressed on gear with tooth count laser etched

and less than 500 total were ever available for combat

Solid bumper bars are anodized clear for durability

Can be used in place of the kit-standard steel component BE22

Power Hobby - Tamiya TT-02 Aluminum Upgrade Kit TT02 -Blue COR00254 This is the ProTek R/CThe Tamiya TT 02 Aluminum Conversion Kit includes everything you need to unleash the full potential of your TT 02 based chassis! Premium quality material, combined with precise CNC machine work creates astonishing performance and improved durability thanks to minimum friction and flex between moving parts and joints. A Premium grade of bearings is also included to replace all the plastic bearings on the stock TT 02 for exceptional driving smoothness