The Serpent SER401937 DJC sleeve BB axle is a dedicated replacement part for the Medius X20 '21 MID 1/10 EP series, built to deliver consistent mechanical behaviour and longer service life. It suits competitive drivers who need repeatable setup performance.
Designed specifically for the Medius X20 '21 MID 1/10 EP chassis, the SER401937 DJC sleeve BB axle installs with minimal changes and keeps alignment true to factory settings. It works well with common tuning parts used in race setups.
The DJC sleeve BB arrangement cuts internal friction and helps stabilise torque transfer, which can translate to crisper throttle control and steadier corner exits. Regular inspection will keep benefits consistent over time.
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