Park Tool Cyclone Chain Scrubber (CM-5.3) BSS-003027 To ensure proper headset performance

To ensure proper headset performance and longevity

The PH-4 features a straight chamfered tip on the handle for high-torque applications and a ball-end tip on the long end for access to hard-to-reach bolts

48T (1x10-speed)

Ascorbyl Palmitate

industrial steel wrenches

Park Tool Cyclone Chain Scrubber (CM-5.3) BSS-003027 To ensure proper headset performanceAbout Park Tool Cyclone Chain Scrubber (CM 5. 3) Clean 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