The Brake performance is hard to explain in a percentage only, the best way to explain the Brake performance is probably as follows: 1. The increase in initial performance is the comparison in the dimensions of the original car brakes compared to the dimensions of the V-MAXX set-up. The comparison contains the: • diameter of the disc (Torque force times arm) • The thickness and the weight of the disc (the weight determines the amount of kinetic energy the brake can absorb) • The size of the brakepads (the size of the brakepads in mm² determines how much friction material is touching the disc and how much friction can be applied. • The diameter (calculated piston area) of the pistons. 2. The real performance increase in brake performance enhancement is in the repeatedly braking and the speed of cooling down after each brake application This performance is very hard to measure. With the V-MAXX BBK is this performance compared to the original brakes considerable. The best way to look at this is NOT the amount of direct extra performance (extra torque) it gives, but how much of repeated brake applications it can handle before it overheats. This is considerable because of: • Almost all of parts of the V-MAXX BBK are made of aluminium, the Brake-caliper, the Brake-caliper bracket and the wheel hub (inner black part of the brake disc) are all made of aluminium alloy. If looked at this in the science perspective, the conductivity of aluminium is approximately 5 x as high as a brake made of steel. Which means the V-MAXX BBK (made for the largest percentage of Aluminium) will lose its temperature approximately 5 x faster as the same brake / size brake made of cast iron / steel. • On top of this are the V-MAXX high carbon discs are designed with a rotation directed cooling system. which means, the vanes in the disc are designed to “pull-out or vent-out” the heat from the inside of the disc to the outside of the disc. due to the design of the vanes and the vanes / discs are running very close to the inside of the caliper. And therefore, no heat will be collected in the axle parts which are at the centre of the wheel. Shortly explained: • firstly, the enhancement of diameter and thickened in the disc. • 5 x faster cooling. • Directed and forced cooling in the steel part of the disc. On top of this all The M-MAXX BBK is running with standard street spec brake pads, and can be replaced for race technology brake pads afterwards to address the brake performance to usage and customer feel/ demands. NOTE using more aggressive brakepads can lead to excessive wear of the brake discs