Capricorn have introduced two optional parts dor the C803 in the form of a nickel treated and aluminium wheel axle shims. The aluminium wheel axle shims are precision machined from high grade 7075 aluminium and offfer more durability. Available in 1mm and 2mm thickness and sold by the pair, the shims undergo a extra hard nickel treatment for a better wear resistance. Also new for the C803 is the 2.7mm rear anti-roll bar wire. The rear anti-roll bar wire is made from high-quality spring steel.