Carbon fiber ESC tray for updated side rails. Tray is attached with mounting blocks and screws vs just sliding into the side rail slots.
Five Seven Designs
SKU:57-5403
2.5mm Carbon fiber side rails with esc tray.
Five Seven Designs
SKU:57-5409
Carbon fiber speed controller mounting tray.
Team GFRP
SKU:GFR-1227
Brass speed controller tray. 25 grams in added weight.