The KO Propo 35048 aluminium upper case is built specifically for use with the BSx4S-one10 Grasper2 servo. Its aluminium construction increases case strength while keeping the overall mass low so vehicle dynamics remain consistent.
Swapping to an aluminium upper case helps move heat away from internal components and reduces case deformation under load. These traits are useful during competitive running or heavy-duty bashing sessions where the servo is taxed.
Fitting the aluminium top is a direct replacement that uses the existing mounting points on the BSx4S-one10 Grasper2. No exotic tools are required, so you can install it quickly between sessions.
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