4Edge Twin Spring 1.2-2045 (□1.2 dia, 4.5 Coil, 20mm Length, HSP/2pcs/Red) OD4006 | THE RC SHOP AT DRDANS screw Batteries Spartan SR requires dual

Batteries Spartan SR requires dual 7-cell NiMH or dual 2s or 3s LiPo batteries

and window masks

Contained in an aluminum servo case is a powerful winch and integrated controller for simple and convenient operation from a 3rd channel

A standout from the late 1980s and early 1990s

4Edge Twin Spring 1.2-2045 (□1.2 dia, 4.5 Coil, 20mm Length, HSP/2pcs/Red) OD4006 | THE RC SHOP AT DRDANS screw Batteries Spartan SR requires dual4Edge'' springs are a game changer. These springs give you a wide range of rates with short travel. The 4Edge series comes in 2 types. The first type is the 25mm free length single type. The spring winding method adopts a semi open shape on both ends. These springs are designed for easy handling on front use. The other one is a twin spring setup with a helper spring. The main spring has a free length of 20mm, and the helper spring uses a square wire