Park Tool CM-5.3 Cyclone Chain Scrubber components and ensures precise gear changes

and ensures precise gear changes under load

Material: brass

100% CNC machined aluminum CO2 inflator

the KNUCKLEDUSTER also features a tapered internal sleeve that you have to tap onto your handlebar for full engagement

wherever you need it

Park Tool CM-5.3 Cyclone Chain Scrubber components and ensures precise gear changesClean bicycle chains quickly, easily, and effectively without the hassle and mess of removing the chain from the bike. The CM 5. 3 uses an extra large solvent reservoir and a series of four rotating brushes to get chains sparkling clean inside and out. A magnet at the bottom of the CM 5. 3's solvent reservoir draws away particles scrubbed from the chain, effectively keeping them from being redistributed on the chain during cleaning. The durable sponge