The M4WD-50/WO is a carbon wide front swing roller plate produced by 3Racing for use on Tamiya Mini 4WD front stays. It is intended as a replacement or alternative front stay part for hobbyists who need a pivoting roller mount integrated into a wider carbon plate. The design emphasizes a wider mounting footprint and a swinging roller arrangement rather than a rigid single-axis stay.
Compatibility is limited to front stay applications; this plate is commonly fitted to Super-II and MA series front stay setups where the chassis geometry accepts a wide plate and swing-type roller. Installation requires standard Mini 4WD hardware and basic trimming or spacer adjustments on some chassis variants. The textural and structural properties of carbon fiber affect how the part responds to tightening torque compared with plastic stays.
For collectors or builders retaining originality, note that this is an aftermarket part that changes front-stay styling and mounting. It does not include rollers or mounting screws unless specified by the retailer. Evaluate clearance around bumpers and body posts before permanent installation to avoid interference.
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