Park Tool CM-25 Professional Chain Scrubber – Shop-Grade Chain Cleaning Tool

Designed for daily use in professional workshops, the Park Tool CM-25 Chain Scrubber is the heavy-duty counterpart to our world-famous CM-5.3. Built with a super-tough die-cast aluminum case and handle, the CM-25 delivers unmatched durability and long-term reliability, even under constant use.

Its proven four-sided scrubbing system thoroughly cleans every link of your chain, making maintenance faster, cleaner, and more effective. A replaceable brush and sponge cartridge (RBS-25) ensures the tool stays in top condition for years of service.

Key Features:

• Professional Performance: Four-sided rotating brushes deep-clean the chain quickly and efficiently.

• Heavy-Duty Build: Durable A380 aluminum die-cast body with a removable handle for superior strength.

• Smart Design: Dual-sided sponges and wicking pads minimize drips and mess.

• Easy Maintenance: RBS-25 brush/sponge cartridge snaps in and out for quick replacement.

• Secure Operation: Locking cover with stainless steel hinge pins ensures stability during cleaning.

• Wide Compatibility: Works with 5–12 speed multi-speed bikes and many single-speed models.

• Fully Serviceable: Every component is replaceable for long-term workshop use.

A true shop-quality chain cleaner, the Park Tool CM-25 is built to deliver professional-grade results—day after day, year after year.