The XRAY 361172 Graphite Center Upper Deck Shim is a 2mm graphite spacer made to strengthen older XB Series chassis plates. It gives drivers a firmer centre section for more predictable handling lap after lap.
Built to suit both short pack and saddle pack batteries, this shim lets you change battery type without compromising fit. That makes experimenting with balance and centre of gravity much easier trackside.
CNC-machined for tight tolerances, the shim offers a snug, stable mount that stands up to regular race use. If you remove the rear upper deck, the shim helps retain correct chassis geometry and rigidity.
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