So, you've installed your new Series II Whoa! Brakes system on your 124....  Would you would like to have the high performance of the BP-20 pad for track day but prefer the BP-10 pads for street use?  Buy a set of each!  See just how easy it is to change the pads in the photos below!

Step 1: Remove the road wheel.

Step 2: Lift up on the rear of the pad retainer clip and remove.

Step 3: Slide pad pair out from the rear.

Step 4: Insert the desired compound pad and reinstall retainer clip.

Step 4: Reinstall Road Wheel.