Park Tool Chain and Drivetrain Cleaning Kit CG-2.4 Review

After two decades of bike maintenance, I’ve learned that a clean drivetrain isn’t just about looks—it’s about performance, longevity, and actually enjoying your rides. The Park Tool Chain and Drivetrain Cleaning Kit CG-2.4 takes the guesswork out of proper drivetrain maintenance with everything you need in one package.

This kit eliminates the trial-and-error of figuring out which cleaning products work together, giving you shop-quality results at home.

What You Get That Actually Matters

The CG-2.4 includes the CM-5.3 Cyclone Chain Scrubber, CB-4 Bio ChainBrite degreaser, CL-1 synthetic chain lube, and specialized brushes designed specifically for bike drivetrains. Park Tool designed this as a complete system where each component works with the others.

The CM-5.3 chain scrubber is the standout tool—it provides deep chain cleaning without removing the chain from your bike. Fill it with degreaser, clamp it on, and pedal backward. The internal brushes and solvent circulation actually strip away built-up grime that surface cleaning just pushes around.

Real Performance Benefits

A properly cleaned and lubed drivetrain makes an immediate difference you can feel. Shifts become crisp, pedaling feels more efficient, and you eliminate that grinding noise from dirty chains. Plus, regular cleaning extends component life significantly—chains last longer, cassettes stay sharp, and you avoid expensive premature drivetrain replacements.

The CB-4 degreaser is biodegradable but still strong enough to cut through serious buildup. The CL-1 synthetic lube resists attracting dirt, keeping your freshly cleaned drivetrain cleaner longer.

Technique Tips for Best Results

The chain scrubber works best with proper technique. Fill it about halfway with degreaser, run 15-20 pedal strokes, then refill with fresh degreaser for a second round. Less is more with the chain lube—one drop per link is plenty.

The included brushes are specifically designed for bike components. The GSC-1 has angled bristles that reach into cassette cogs effectively, while the BCB-4.2 handles larger cleaning areas.

Who Benefits Most

This kit makes sense for regular riders who want professional results at home. If you ride multiple times per week or in dirty conditions, having proper cleaning tools makes maintenance less of a chore and more effective.

The kit economics work out well—buying these components separately costs significantly more than the kit price. The tools should last years while consumables can be replaced as needed.

Bottom Line

The CG-2.4 delivers on its promise of professional-quality drivetrain cleaning at home. The systematic approach and quality tools make bike maintenance more successful and less frustrating than improvising with random cleaning products.

For cyclists who want to maintain their bikes properly without guessing about techniques and products, this kit provides everything needed for excellent results.

Where to Buy: Available on Amazon and authorized dealers. The complete kit offers excellent value compared to purchasing components individually.