Park Tool CM-5.3 Chain Scrubber brake • 78% polyester

• 78% polyester

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

One of a kind special oval shape (Patent Pending)

Get turn-by-turn directions by selecting a location on the device using the new Pan and Zoom Feature

The Lighter weight makes it easier to accelerate

Park Tool CM-5.3 Chain Scrubber brake • 78% polyesterCleans 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.