Park Tool GSC-4 Cassette Cleaning Brush

Specially designed brushes for cleaning hard to reach areas on most bicycles

• Sturdy bicycle cleaning brush with a unique angled and contoured shape
  
• Perfect for cleaning cassettes and freewheels as well as tires
  
• Strong ergonomic handle and stiff nylon bristles, the GSC-4 scrubs away the toughest muck and mess

Warning: California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65