1up Racing Lockdown Adjustable Bullet Plugs (5mm Plug) (Assorted Colours) Color:Bright Blue Progressive Spring System Concept is

Progressive Spring System Concept is explained in the video below

One-piece weight/bulkhead design for increased rigidity and durability

STIFF: Stiff Bulkheads are more suited to very high traction conditions

Voltage range: 2S LiPo | 6

engine sensor

1up Racing Lockdown Adjustable Bullet Plugs (5mm Plug) (Assorted Colours) Color:Bright Blue Progressive Spring System Concept is5mm Bullet Plug Version! Introducing the Worlds First Tool Free Adjustable Bullet Plugs: Lockdown Bullet Plugs by 1up Racing! These game changing connectors are designed to revolutionize power delivery and convenience for the RC racer. With a simple twist, racers can now achieve a secure connection in no timeno tools required. Unlike other adjustable bullet plugs that require tools for adjustment, Lockdown Bullet Plugs feature an innovative