Direct replacement for the original and requires no additional parts to install

RED FR UP/LOW A-ARMS 1/16 E REVO

and they're also completely hidden from view

CNC Aluminum Big Bore Cylinder Construction Anodized Silver in Color Fully Assembled (requires shock oil) Heavy Duty Dual Rate Springs Heavy Duty 3

S2 Spring steel output shaft

Maclan Racing - Maclan DRK 160 RS Edition ESC HPI106149 Direct replacement for the originalThere are a few options to program the DRK 160 ESC. Use a ProLink (with cables included in the ProLink, micro USB + OTG cable) Use a Windows PC and Maclan Panel Software (with cable included in the ESC) Use an Android mobile device (5. 0 OS or higher) and Maclan Smart Link App (with Type C cable, sold separately) Use an Apple iPhone with Maclan WiFi module (sold separately) with Maclan Smart Link App Includes: DRK 160 RS Edition ESC x1, 20cm receiver