If you want to upgrade to even simpler engine starting

TKR9048A - Spindle Carriers (revised

This genuine Team Losi Racing part is a direct-fit replacement

Charge only with a LiPo-compatible balance charger

Helps keep both the phone and transmitter together

Align HN7117 T-Rex 700 New Main Rotor Holder Arm DR10M Parts If you want to upgradeAlign HN7117 T Rex 700 New Main Rotor Holder Arm Features: Suitable for T REX 700E 700N . 6061 T6 Aluminum alloy material and CNC processed. Suitable with: 700 Newly Main Rotor Holder(HN7116). Fits: Align Part # HN7116 Includes: Metal Main rotor holder arm x 2 Socket collar screw x 4(M3x6mm)