It can be mounted to a benchtop with the 4 bolt holes

It protects your derailleur against chain jams by pivoting back and out of the way and slips slightly when encountering impacts

anti-bacterial

It effectively removes grime from your drivetrain while being gentle on the rest of your bike and environmentally friendly

Not only for chains either

Pillar PSR Triple Butted Spokes - 268mm - J-Bend - 2.2-2.0-1.8-2.0mm PDP|Option It can be mounted toPillar Triple Butted spokes have the strength and reliability which riders dream of when building a new dead straight wheel. . Triple Butted Spokes offer the ultimate in weight reduction while maintaining the same strength as thicker spokes. Does Not include nipples.