Dura 2 Road Cartridge Inserts, Carbon #2 Pr

- Top choice for aftermarket upgrades\n- Grooved for water displacement and fit 55mm length holders\n- Dura: exact specification as Shimano pads with Kool Stop's patented plow tip, thinner than Dura 2 pads \n- Dura 2: thicker for longer life, 7.65mm contact for narrower rims, and cut-outs to reduce weight\n- Carbon 1: the original carbon compound which works great for most carbon wheels but will wear quicker on fast steep descents\n- Carbon 2: updated formula for carbon rims, withstands steep descents with reduced wear