This hard-type graphite molded rear hub carrier is intended for BD8 2018 chassis that use the optional RTC (rear toe control) assembly. As an aftermarket replacement or hop-up it provides a firmer mounting point at the rear knuckle where toe is adjusted by the RTC system.
The stiffer carrier reduces compliance at the hub versus softer resin parts, which can make rear toe react more quickly during load changes and steering inputs. Consider this effect in concert with swaybar, damper and toe settings when refining the vehicle's handling characteristics.
Fitting is simple for BD8 mechanics: the carrier replaces the stock RTC-compatible rear knuckle and uses the existing wheel hub hardware and bearings. After assembly verify correct bearing pre-load, check for any play and confirm rear toe symmetry prior to running.
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