Park Tool CM-5.3 Chain Scrubber brake One of a kind special

One of a kind special oval shape (Patent Pending)

we used the finest ingredients to create a sophisticated

The lens itself serves as the operating switch and is protected from inadvertent triggers while still allowing for side visibility

including aero tubes and dropper posts

treacherous trails where the chance of sidewall cuts and abrasions is high

Park Tool CM-5.3 Chain Scrubber brake One of a kind specialCleans bicycle chain quickly, easily, and effectively + without the hassle and mess of removing the chain from the bike. The Cyclone uses a large solvent reservoir, hundreds of rotating bristles, and a two step cleaning process to get chains really clean, improve shifting performance, and extend the life of the chain and other expensive drivetrain parts.