MAD Wurks Carbon Split Narrow Rear Topdeck 2mm Schumacher Mi9/Mi10 (1)MAD Wurks Carbon Split Narrow Rear Topdeck 2mm Schumacher Mi9 Mi10 (1) To add additional flex to suit your needs, you can cut one or multiple bridges out. You also can cut from the front bridge into the adjoining screw hole. Adding flex allows the rear of the car to roll more and better wrap the corner. Adding too much flex can sacrifice rear end stability. Starting recommendation on top decks is to run them as they come for most surfaces and

1 - Schumacher U8528 - Alloy Radius Arm

MAD Wurks TC8 Vertical Body Mount keys off the bulkhead to prevent movement

Vertical mount to provide more stability

The narrower shim is for the rear

The starting setup is to run the existing plastic rear mount body posts sitting on top of the vertical body mounts with a 1

It was recently run by Schumacher drivers at Apex Raceway at the USVTA Nats

Less steering input needed

75mm shim underneath the plastic rear mount

Starting configurations:

5mm Schumacher Mi9 (1)

we found that increasing the rear steering arm length on the Mi9 improved corner speed as well as allowed for more rotation

These top decks would be inbetween the feel of a 2mm g10 and a 2mm carbon fiber deck