Selling off my extra CarboTech pads now that I'm on to other things. Here's what I have: AX6 rear - for first gen MINIs - These have approximately 12,000 street and mountain miles on them. Zero autocross / track miles. Measure .56" thickness including backing plate, .36" pad material thickness (new pads should measure .61" including plate). That's approximately 15% worn. New cost on these pads is $149. $75 shipped to 48 states AX6 front - for first gen JCW, or second gen MCS (non-JCW) These have approximately 5,700 street and mountain miles on them. Zero autocross / track miles. These also measure .56" thickness including backing plate, .36" pad material thickness (new pads should measure .69" including plate). That's approximately 25% worn. New cost on these pads is $164. $75 shipped to 48 states 1521 (Bobcat) front - for first gen JCW, or second gen MCS (non-JCW) These have approximately 54,000 easy street miles on them. Zero autocross / track miles. These measure .60" thickness including backing plate, .40" pad material thickness (new pads should measure .69" including plate). That's approximately 20% worn. New cost on these pads is $149. $60 shipped to 48 states