Park Tool GSC-1 Gear Cleaning Brush

Great for cleaning grime from between cassette sprockets or wherever else dirt hides. Curved jagged end fits nicely between sprockets while the durable nylon brush sweeps all the dirt away. Simple yet effective. Even fits between narrow 10 speed cassettes.

The product weight specified is an approximate weight based on the manufacturer’s specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.