Park Tool CM-5.3 Cyclone Chain Scrubber General Spin the pedals in a

Spin the pedals in a reverse motion (approx

Outside Diameter: 5

5mm with 12° shim)

If smaller bolt required

ensuring all know—it’s about giving it 100%

Park Tool CM-5.3 Cyclone Chain Scrubber General Spin the pedals in aCleans 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. Specifications Works with all multi speed bikes (5, 6, 7, 8, 9, 10, 11, and 12 speed) as well as