The KO Propo 35043 Aluminum Upper Case upgrades the BSx3-One10 Grasper servo with a more robust outer shell. It is aimed at pilots and builders who prefer component upgrades that improve long term reliability on rough tracks.
Aluminium combines good rigidity with modest weight, helping to cut down flex without slowing the model. This material is useful where precision steering and repeatable control feel matter to your setup.
This upper case is machined to suit the BSx3-One10 Grasper series so you get accurate alignment and simple installation. No major modifications are normally required, and it slips into the existing mounting configuration.
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