Clarks Carbon specific compounds have been manufactured using some of the best material composite and manufacturing methods available. The end result is a variety of compounds that offer low noise, low abrasion, superb modulation and high performance stopping power.    Features Carbon specific road brake cartridge. Shimano compatible . Suitable for CPS453-Carb (16431). Suitable for CPS460-Carb (16433). Sold in Pairs (2 pads).