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Park Tool CM-5.3 Cyclone Chain Scrubber (eBike Compatible)

Park Tool CM-5.3 Cyclone Chain Scrubber (eBike Compatible) image 1

Park Tool CM-5.3 Cyclone Chain Scrubber (eBike Compatible)

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The Park Tool CM-5.3 Cyclone Chain Scrubber will help you clean your dirty chain without having to faff with taking the chain off the bike. A great way to clean your chain without dirtying your hands. It has an extra large solvent reservoir and the four rotating brushes which will scrub up your chain so that it sparkles and is free of any grime and residue. 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 material draws solvent from the chain as it exits the CM-5.3, reducing drips and mess. Keeping the chain clean is key to prolonging the life of the parts on your bike, especially in the rainy season.

The CM-5.3 can handle any bike-specific chain, from wide 3/16" single-speed* to narrow 12 and 13-speed. A reversible handle allows the chain to pass through forwards or backwards for compatibility with center drive e-bikes.


  • Compatible with all multi and single-speed chains*
  • Compatible with center and rear drive e-bikes
  • Holds 59 mL (2 fl. oz.) of solvent
  • Replaceable brushes and sponge (part # RBS-5)

*All standard bicycle chain sizes will fit through the CM-5.3. However, some single-speed bikes are not fully compatible with the CM-5.3 due to the low clearance between the chain and chain stay.