Here are the common features of a motorcycle chain brush:

1. Multi-Sided Brush Heads (U-Shape or Three-Sided):

   • This is the most defining feature. The brush typically has bristles arranged on three sides (forming a 'U' or 'C' shape), or sometimes four, designed to wrap around the chain.
   • This configuration allows the brush to clean multiple sides of the chain simultaneously (top, bottom, and both sides of the links).
   • It effectively gets into the gaps between the plates and around the rollers.

2. Long, Sturdy Bristles:

   • The bristles are generally made from durable nylon or plastic that can withstand harsh chain cleaners and the grime of the chain.
   • They are stiff enough to dislodge hardened dirt, grit, and old chain lube, but flexible enough not to damage the O-rings, X-rings, or Z-rings of sealed chains.

3. Long, Ergonomic Handle:

   • The handle is typically long enough to provide a good grip and leverage, keeping your hands a safe distance from the sprocket and chain while rotating the wheel.
   • It's often contoured or textured for a comfortable and non-slip grip, even when your hands are wet with cleaner or oil.

4. Secondary, Longer Bristle Head (Often at the End of the Handle):

   • Many chain brushes include a second, thinner brush head on the opposite end of the main U-shaped brush.
   • This smaller head is usually designed with longer, thinner bristles to reach tight spots like:
     • Around the sprocket teeth (front and rear)
     • Between the chain and the swingarm
     • Other nooks and crannies where dirt accumulates.

5. Durable Construction:

   • The entire brush is typically made from robust plastics that are resistant to petroleum-based cleaners and degreasers. This ensures the brush doesn't degrade quickly with repeated use.

6. Compact Size:

   • While having a long handle, the brush heads themselves are compact enough to fit into the relatively tight spaces around the motorcycle chain and sprockets