The XRAY 365201 ECS Front Drive Shaft is engineered specifically for the XB4 2019 chassis. With an 81mm length and 2.5mm pin, its geometry preserves rotational harmony between wheel and shaft, and the Hudy Spring Steel build delivers long service life.
The ECS two-piece joint redistributes steep steering angles into two smaller pivots, which lowers binding and lets the front wheel articulate more freely. This reduces steering feedback and unwanted vibration when pushing hard through corners or landing jumps.
Upgrading to these shafts sharpens steering response and stabilises the front end for more predictable handling. Racers will find improved control under load, helping to maintain cleaner lines and repeatable lap performance.
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