This adjusted average peak braking force coefficient of the reference tyre  μpeak,adj(R) is calculated in accordance with Table 3 where  is the arithmetic mean of the peak braking force coefficients in the initial test of the reference tyre (Ri) and  is the arithmetic mean of the peak braking force coefficients in the final test of the same reference tyre (Rf) within one test cycle.

 a5c0
This adjusted average peak braking force coefficient of the reference tyre (Ra) is calculated in accordance with Table 3 where R1 is the average peak tyre braking coefficient in the first test of the reference tyre (R) and R2 is the average peak tyre braking coefficient in the second test of the same reference tyre (R). a0c0