Park Tool CM-5.3 Chain Scrubber brake and aggressiveness and maximum grip

and aggressiveness and maximum grip to face any curve easily and at the speeds of modern gravel racing

The Lighter weight makes it easier to accelerate

Strategically positioned dual microphones capture even the subtlest inflections

1 x M5x30 Screw (for connecting Spacer to Lever Head or 360 Arm)

Park Tool CM-5.3 Chain Scrubber brake and aggressiveness and maximum gripCleans 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.