The Boss goes straight on to grimy chains, cassettes and jockey wheels and issues filth its marching orders. In fact, it’ll work on any bits on your bike that are properly caked with grease and grime.
Boss is designed to be a more powerful cleaner than Dirt Juice Super, our classic cleaner, and brewed for the grottiest of grime.

Suitable for use on all types of bike - Road, Cyclocross, MTB, Commuter
Complete drivetrain cleaning solution
Fast acting powerful formula
Safely emulsifies drivetrain grime and contaminants
Leaves a clean residue free surface once rinsed with fresh water
Can be applied by brush, trigger spray, or used in a chain cleaning tool
Out performs more traditional drivetrain cleaning products
Safe for use on metals, plastics, rubber, anodised and painted surfaces
Does not damage seals