Serpent SER401900 DJC Coupler - Precision Drivetrain Part  [SER401900]

Precision drivetrain upgrade for competitive RC

The Serpent SER401900 DJC coupler is a key upgrade for RC hobbyists aiming for tighter drivetrain response and dependable coupling. This component is engineered to cut play and deliver repeatable performance for onroad and mixed-surface applications.

Built for consistent handling

Made to close tolerances, the DJC coupler helps stabilise power transfer and reduces the chance of driveline glitches. Its robust design supports smooth rotation whether you are hitting top speed or negotiating technical sections.

Broad compatibility for setup flexibility

The Serpent SER401900 DJC coupler fits a range of compatible models and adapts to multiple drivetrain layouts. It is a solid choice for racers and garage tuners who swap components to match track conditions and driving style.