Revzilla US : The Grunge Brush
The Grunge Brush : $1595 – 2095 
Features:
- Enables you to clean your chain with ease
- 3-sided bristles allow you to clean all 4 sides of your chain and the long bristle side lets you clean other parts of your bike like sprockets and wheels
- Regular component cleaning prevents premature wear and tear on chain and sprockets which assures smooth operation of the drive train
- Bristle blocks are adjustable to accommodate all sizes of chain
