Revolution Design XB4 7° Aluminium Caster Block Set RC MAKER SP1/SP1-F The set can be purchased

The set can be purchased HERE

5mm 7075 T6 chassis has been developed extensively over several months of testing with team drivers on a variety of classes and surfaces

Weighing just 1

A800MMX (NOT A800FX and Evo)

The two elongated holes

Revolution Design XB4 7° Aluminium Caster Block Set RC MAKER SP1/SP1-F The set can be purchasedThe RDRP XB4 Aluminium 7 Caster Block Set for the XRAY XB4 Series buggy is a precision machined upgrade designed to increase strength, durability, and consistency on the track. Based on the proven RDRP design philosophy, these caster blocks are machined from aircraft grade 7075 T6 aluminium to provide the perfect balance of reduced unsprung weight and maximum strength. The 7 caster angle, used by most XRAY drivers, gives the car more initial steering.