This is an upgrade steel steel alloy spring. The non-linear design stabilizes the velocity and puts less stress on the motor & gears, conserving battery life.
Lonex has some of the toughest and most precise after-market parts available.
This is an upgrade steel steel alloy spring. The non-linear design stabilizes the velocity and puts less stress on the motor & gears, conserving battery life.
This spring is an M110SP power spring. Velocity will vary depending on quality, age, and configuration of internal components.
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