Park Tool CM-5.3 Cyclone Chain Cleaner On-Bike Drivetrain Tool

Park Tool CM-5.3 Cyclone Chain Cleaner

The Park Tool CM-5.3 Cyclone Chain Cleaner is a professional-grade, on-bike chain cleaning system engineered to clean bicycle chains thoroughly inside and out. Featuring an extra-large solvent reservoir, four rotating internal brushes, and a magnetic debris trap, the CM-5.3 delivers fast, effective drivetrain cleaning while minimizing mess and solvent waste.

Trusted by professional mechanics and home workshops alike, it’s one of the most effective ways to extend drivetrain life and restore smooth, quiet performance.

Features & Benefits

• Four rotating internal brushes
  Scrub all sides of the chain simultaneously for deep, even cleaning

• Magnetic debris trap
  Captures metal particles and grit, preventing redeposit on the chain

• Extra-large solvent reservoir
  Holds up to 59 mL (2 fl. oz.) of cleaning solvent for thorough cleaning cycles

• Integrated sponge exit pad
  Absorbs excess solvent as the chain exits, reducing drips and mess

• On-bike cleaning design
  Cleans the chain without removal for quick, efficient maintenance

Compatibility

Compatible with:

• All multi-speed chains

• Most single-speed chains*

• Center-drive and rear-drive e-bikes

• Road, gravel, MTB, commuter, and e-bike drivetrains

⚠️ Compatibility Note:
All standard bicycle chain sizes fit through the CM-5.3. Some single-speed bikes may not be compatible due to limited clearance between the chain and chainstay.

Service & Replacement Parts

• Replaceable brushes & sponge:
  Park Tool RBS-5 (sold separately)

Technical Specifications

• Model: CM-5.3 Cyclone™

• Solvent Capacity: 59 mL / 2 fl. oz.

• Cleaning Method: Multi-brush rotating system

• Debris Control: Magnetic reservoir + sponge pad

Recommended Use

• Routine drivetrain maintenance

• Pre-lube chain cleaning

• Removing grease, dirt, and metallic debris

• Extending chain, cassette, and chainring life

Why Choose Park Tool?

Park Tool products are shop-proven, mechanic-approved, and built to last. The CM-5.3 Cyclone is a benchmark chain cleaner used in professional bike shops worldwide for fast, repeatable, and effective drivetrain cleaning.

A must-have maintenance tool for keeping your drivetrain clean, quiet, and running at peak efficiency—whether you ride road, gravel, MTB, or e-bike.