Pagid RS29. Fits Elise and Exige (S) / 211 with OEM front calipers. Excellent for endurance racing as well as sprint racing. Very consistent pedal feel and resistance to fade. This pad is more aggressive than the RS14 compound, not recommended for street use. Used in sanctioned organizations such as Grand-Am. Tested and used for multiple seasons by DRS in Lotus Cup USA competition in Open Class.